These are arranged alphabetically for for the original song name beginning with a "O".
| Original Song/Performer | Parody Song/Author |
| "OM (pronounced ow-oom)," The Moody Blues |
"Ow-ooh," Timmy1000 |
| "OPERATOR(Help me make this call)," Jim Croce |
"OPERATOR(Disconnect this call)," Paul Wooten |
| "Oakie From Muskogee," Merle Haggard |
"I'm Playin' WIth Old Fogies Makin' Bogies," Guy DiRito |
| "Ob-La-Di Ob-La-Da," The Beatles |
"A Weird Name For A Nintendo System," Tokusou Sentai Blessranger |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"A-B-C, 1-2-3, (What A Dumb Class)," Jason |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Bar Fight At The Redneck Saloon," Matthias |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Life Is Long," Agrimorfee |
| "Ob-La-Di, Ob-La-Da," Beatles |
"No Can Speak: Omerta," John A. Barry |
| "Ob-La-Di, Ob-La-Da," Beatles |
"O-Sa-Mi, O-Sa-Ma," Payyal Miqardhnai and Jahan al-Lenan |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Ob-I-Wan," Mikey Squirrel |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Ob-La-Di, Ob-La-Da (Michael T. Mondak Edition)," Michael T. Mondak |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Obloquy Dubya," Michael Pacholek |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Okra Feast," U Guest It |
| "Ob-La-Di, Ob-La-Da," Beatles |
"Oprah Eat, Oprah Large," John A. Barry |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Oprah Tees, Oprah Thongs," Spaff.com |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Part AD: Matthias," White Trash Story |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"Poopy Parodies Are So Wrong!," Lee O. Jay |
| "Ob-La-Di, Ob-La-Da," Beatles |
"SUV, Big Fat Car," John A. Barry |
| "Ob-La-Di, Ob-La-Da," The Beatles |
"You Can See Murphy's Law," Charlie Decker |
| "Ob-La-Di," Baetles |
"No-bo-dy Ever Votes On Our Songs," Forteen and Baeutiful |
| "Obla Di, Obla Da," The Beatles |
"Brown Feces, Browning Crap," poomaster |
| "Ob-la Di Ob-la Da," The Beatles |
"She Misspeak, He Miss-Poke," Phil Alexander |
| "Obla-di, Obala-da," The Beatles |
"Monsanto," McMSG |
| "Ob-la-di Ob-la-da," The Beatles |
"56 Star Tattoos," Medemia |
| "Ob-la-di, Ob-la-da," The Beatles |
"B-A-R, A-C-K, O-B-A, MA!," Johnny D |
| "Obladi, Oblada," The Beatles |
"Gravity, Oh My God," Alvin Rhodes |
| "Obladi Oblada," The Beatles |
"Hey Pick Me, Be My Pa," Malcolm Higgins |
| "Ob-la-di, Ob-la-da," The Beatles |
"Oh Lu-cee, In The Sky," Alvin Rhodes |
| "Ob-la-di Ob-la-da," Beatles |
"Oh-Blah-Di Oh-Blah-Da," Rick Duncan |
| "Obladi, Oblada," The Beatles |
"Ovaries, Overwrought," Alvin Rhodes |
| "Ob-la-di Ob-la-da," The Beatles |
"Pa-ro-dy Pa-ro-dah," Kristof Robertson |
| "Obladi Oblada," The Beatles |
"Richard Cheese,Is He Odd," Tokusou Sentai Blessranger |
| "Ob-la-di, Ob-la-da," The Beatles |
"Rope My Knees! Rope My Arms!," Johnny D |
| "Ob-la-di, Ob-la-da," The Beatles |
"To-may-toe, to-mah-toe," Rick Duncan |
| "Obladi Oblada," The Beatles |
"Tropic Island Hum," Robin Roberts |
| "Obladi bla da," Beatles |
"Osama Bin Laden," Jigmi Jamyangling |
| "Octopus' Garden," The Beatles |
"AmIRighters' Garden," Fiddlegirl |
| "Octopus' Garden," The Beatles |
"Cannibus' Garden," Mikey Squirrel |
| "Octopus' Garden," The Beatles |
"Dr. Bush Is Chargin'," Kristof Robertson |
| "Octopus' Garden," The Beatles |
"Magic Floating Island," Double E |
| "Octopus' Garden," The Beatles |
"Obstetrician's Office," Alvin Rhodes |
| "Octopus' Garden," The Beatles |
"Octomommy's Problem," Alvin Rhodes |
| "Octopus's Garden," Beatles |
"Autodidact's Garden," John A. Barry |
| "Octopus's Garden," The Beatles |
"Communism Garden," ProudAmerican |
| "Octopus's Garden," The Beatles |
"Delicious Twinkies (Flabby Dude Part 5)," Dominic L. |
| "Octopus's Garden," The Beatles |
"Dr. Seuss's Novel Escapades," Alvin Rhodes |
| "Octopus's Garden," The Beatles |
"Fifteen Foot Long Garden," Ann Hammond |
| "Octopus's Garden," The Beatles |
"Home Behind the Comet," Mari Aranoff |
| "Octopus's Garden," The Beatles |
"In The Arms Of Dolly Parton," Alvin Rhodes |
| "Octopus's Garden," The Beatles |
"Mermaid's Garden," Susanna Viljanen |
| "Octopus's Garden," The Beatles |
"Milk Out Of The Carton," Tokusou Sentai Blessranger |
| "Octopus's Garden," The Beatles |
"Octopus's Burger," Itai Gal |
| "Octopus's Garden," The Beatles |
"Octuplet Mummy's Garden," Malcolm Higgins |
| "Octopus's Garden," Beatles |
"Ogled Puss's Pardon," John A. Barry |
| "Octopus's Garden," The Beatles |
"Plaxton Bodied Volvo," Jason |
| "Octopus's Garden," The Beatles |
"Presidential Pardon," Charlie Decker |
| "Octopus's Garden," The Beatles |
"Sourpuss or Arwen?," Michael Pacholek |
| "Octopus's Garden," The Beatles |
"Sourpuss's Jargon," Rick Duncan |
| "Octoupus's Garden," The Beatles |
"Sucks, Does Olive Garden," Michael Pacholek |
| "Ode To Billy Joe," Bobbie Gentry |
"Ode To Barney Fife," sloatead |
| "Ode To Billy Joe," Bobbie Gentry |
"Ode To Judge Greer And Jebya," Michael McVey |
| "Ode To Billy Joe," Bobbie Gentry |
"Ode To Mary Jo (Kopechne)," Fiddlegirl and Tommy Turtle |
| "Ode To Billy Joe," Sinead O'Connor |
"Ode To Snuffleupagus," Josh Taylor (The Stimps) |
| "Ode to Billie Joe," Bobbie Gentry |
"Eau de Bilge Below," John A. Barry |
| "Ode to Billie Joe," Bobbie Gentry |
"Ode to Billy & Mike," Royce Miller |
| "Ode to Billie Joe," Bobbie Gentry |
"Ode to Phil's Fridge," Royce Miller |
| "Ode to Billie Joe," Bobbie Gentry |
"Ode to Philly Joe," Michael Pacholek |
| "Ode to Billie Joe," Bobbie Gentry |
"Ode to Trent Lott," Mike Juergens |
| "Ode to Billie Joe," Bobbie Gentry |
"Ode to V.P. Joe," TooMuchTime |
| "Ode to Billy Joe," Bobby Gentry |
"The Ballad(?!) of Slick Gator," Kahuna Accidentale of the Dells |
| "Officer Krupke," West Side Story Soundtrack |
"Dating on Craig's List," Ravyn Rant |
| "Oh Boy," Buddy Holly |
"Doughboy," Airfarcewon |
| "Oh Boy," Buddy Holly |
"No Boy," Airfarcewon |
| "Oh Carol," Neil Sedaka |
"Jared," Susanna Viljanen |
| "Oh Carol," Neil Sedaka |
"Oh Arnold," William Tong |
| "Oh! Darling," The Beatles |
"Charlie Bit My Finger - The Musical," MasonR |
| "Oh Darling!," The Beatles |
"Clarice Starling!," Kristof Robertson |
| "Oh Darling," Beatles |
"Eyes Darting," John A. Barry |
| "Oh! Darling," The Beatles |
"Food's Calling (Flabby Dude Part 4)," Dominic L. |
| "Oh! Darling," The Beatles |
"Help me, Darling!," Noah Patrick McKelvie |
| "Oh! Darling," The Beatles |
"No Parking," Charlie Decker |
| "Oh, Darling!," The Beatles |
"OSAMA!," Word Twister |
| "Oh Darling," The Beatles |
"Oh Darwin," Alvin Rhodes |
| "Oh Darling," The Beatles |
"Oh Doctor," 2nz |
| "Oh Darling," The Beatles |
"Oh Quarreling," Rick Duncan |
| "Oh Darling," Beatles |
"Oh Santa," sloatead |
| "Oh! Darling," The Beatles |
"Oh! Charlie," Stuart McArthur |
| "Oh Donna," Ritchie Valens |
"Oh Dubya," okayokay |
| "Oh Donna," Rictchie Valenzuela |
"Oh Sama," Rick Toner ( New Zealand ) |
| "Oh Happy Day," Edwin Hawkins Singers |
"Oh, Mappy Day," Arcade Junkie |
| "Oh Lord, Won't You Buy Me A Mercedes Benz?," Janis Joplin |
"Oh Lor, Won't You Buy Me A Gram of Cocaine," Mari Laczko |
| "Oh, Pretty Woman," Roy Orbison |
"Hungry Kitty(Don't Devour Me)," Paul Robinson |
| "Oh Pretty Woman," Roy Orbison |
"Oh Gritty Woman," Silly Willie |
| "Oh, Pretty Woman," Roy Orbison |
"Oh, Booty Woman," Airfarcewon |
| "Oh, Pretty Woman," Roy Orbison |
"Oh, City Woman," Michael Pacholek |
| "Oh, Pretty Woman," Roy Orbison |
"Willy Wonka," Spencer Karter |
| "Oh So Many Years," Everly Brothers |
"All These Many Years," Bobo |
| "Oh Sweet Pea," Tommy Roe |
"STD," PMS |
| "Oh What A Night," Frankie Valli And The Four Seasons |
"Oh What A Fright," T. Marie T....lots of AKA's |
| "Oh, What a Night," The Four Seasons |
"Oh, What a Line," Walt Conner |
| "Oh, What a Night," Frankie Valli |
"Oh, What a Week," Wolveroses |
| "Oh bla di oh bla da," The Beatles |
"Me oh my my oh me," Rebecca Adele |
| "Ohio (4 dead in Ohio)," Crosby, Stills, Nash, & Young |
"Beslan - How Many More ?," Bob Rich |
| "Okie From Muscogee," Merle Haggard |
"Hippie From Mississippi," Red Neck Mother |
| "Okie From Muscogee," Merle Haggard |
"Red Neck Hippie From Mississippi," Dee Range |
| "Okie From Muskogee," Merle Haggard |
"Mockey From Skokie," Michael McVey |
| "Okie From Muskogee," Merle Haggard |
"Thrilla From Wasilla," Stan Hall |
| "Okie From Muskogee," Merle Haggard |
"Tickie From a Smoky," Airfarcewon |
| "Okie from Muskogee," Merle Haggard |
"A Liberal Individual Can Stand Tall," Anne & Phil Pflager |
| "Okie from Muskogee," Merle Haggard |
"Ice Monkey from Helsinki," Susanna Viljanen |
| "Okie from Muskogee," Merle Haggard |
"Pupil in Hogwart," Susanna Viljanen |
| "Old Brown Shoe," The Beatles |
"Guy Who'll Sue," Ra'akone |
| "Old Brown Shoe," The Beatles |
"Long Brown Poo," Malcolm Higgins |
| "Old Brown Shoe," Beatles |
"Old Brown Doo," Rick Duncan |
| "Old Brown Shoe," The Beatles |
"One Thrown Shoe.. (the Me Against Will On The Shoe Toss Thing Song)," Malcolm Higgins |
| "Old Friends/Bookends Theme," Simon & Garfunkel |
"Old Blends," Stan Hall |
| "Old John Robertson," The Byrds |
"Old George Carlin," Mr. Hyde |
| "On A Clear Day, You Can See Forever," Tony Bennett |
"In A Weird Way, Bush Thinks He Is Clever," William Tong |
| "On Broadway," George Benson |
"Check Baud Rate," Guy DiRito |
| "On Broadway," Drifters |
"On Bratwurst," John A. Barry |
| "On Broadway," Drifters |
"On eBay," John A. Barry |
| "On Broadway," The Drifters |
"On eBay," crazydon |
| "On Broadway," The Drifters |
"Viagra," Bob Gomez |
| "On The Road To Mandalay," Frank Sinatra |
"On The Road Amanda Lay," Airfarcewon |
| "On The Road To Mandalay," Frank Sinatra |
"On The Way To Chardonnay," Airfarcewon |
| "On The Street Where She Lives," My Fair Lady Soundtrack |
"On The Thread Where (Arwen) Lives," Stuart McArthur |
| "On The Street Where You Live," My Fair Lady: Lerner / Loewe |
"On The Beach Where He Lives ('My Fair Fiddlegirl', Scene 10 of 16)," Fiddlegirl and Tommy Turtle |
| "On The Street Where You Live," Nat King Cole |
"On The Street, What You give," Airfarcewon |
| "On Top Of Old Smokie," Traditional |
"On Top Of Old Smokie (Funny School Teacher Edit)," Gari J |
| "On Top Of Spaghetti," Tom Glazer |
"What Am I Forgetting?," Adagio |
| "Once Upon A Time," Frank Sinatra |
"Once Upon A Dime," Airfarcewon |
| "One After 909," The Beatles |
"Deliver Me a Valentine," Rick Duncan |
| "One After 909," The Beatles |
"Duds Of That Mom O' Mine," Alvin Rhodes |
| "One After 909," The Beatles |
"Swine O' Mine," Alvin Rhodes |
| "One-Eyed One-Horned Flying Purple People-Eater," Sheb Wooley |
"Inch Precise Torpedo Off The Non-Preferred, A...," Stuart McArthur |
| "One Fine Day," The Chiffons |
"Dragon's Lair," Arcade Junkie |
| "One Fine Day," The Chiffons |
"Lingerie," Malcolm Higgins |
| "One Fine Day," The Chiffons |
"Ones-Guy Day!," Baeutiful |
| "One For My Baby (and One More For the Road)," Frank Sinatra |
"Shopping (For Husbands)," Phantom Hitchhiker |
| "One Hundred Years From Now," The Byrds |
"Ten Pints of Beer From Now," Jim A |
| "One ( Is the Lonliest Number)," Three Dog Night |
"Milli Vanilli (Are the Phoniest Synchers)," Hello Konichiwa |
| "One More Day," Diamond Rio |
"Rid of You," Derek C. Dawson |
| "One-Note Samba," Antonio Carlos Jobim |
"Sixteen-Note Samba," Mari Aranoff |
| "The One On the Right Is On the Left," Johnny Cash |
"The One On the Right Was a Country Boy," Michael Pacholek |
| "One Paddle, Two Paddle," Don Ho |
"One Battle, Two Battles," William Tong |
| "One Piece At A Time," Johnny Cash |
"One B**** At A Time," Psycho Billy In The Cadillac |
| "One Step Closer," Linkin Park |
"Computers :( :( :( :( :( :( :( :( :( :( :( :( :( :," BiGdUdE111 |
| "One-Way Ticket (To The Blues)," Neil Sedaka |
"Problem Ticket (Helpdesk Blues)," Susanna Viljanen |
| "One," Three Dog Night |
"Claude Is The Funniest," Bob Gomez |
| "One," Three Dog Night |
"Dumb," Alvin Rhodes |
| "One," Three Dog Night |
"One (is the only-est number)," Stormin Norman the nag |
| "One," Three Dog Night |
"One," Ann Hammond |
| "One," Three Dog Night |
"One," Chris Bodily TM |
| "One," Three Dog Night |
"One," William Tong |
| "One," Three Dog Night |
"Sex (Is Six In Roman Numbers)," Johnny D |
| "One," Three Dog Night |
"Two (Chris Brown's Song)," Opposite Pull |
| "Only A Northern Song," Beatles |
"Only An Asda form," pickle |
| "Only Love Can Break A Heart," Gene Pitney |
"Only Stu Can Break Wind (Fart)," Tommy Turtle |
| "Only Sixteen," Sam Cooke |
"Ben the Sixteen," Michael Pacholek |
| "Only Sixteen," Sam Cooke |
"Just a Hick Teen," Phil Alexander |
| "Only Sixteen," Sam Cooke |
"Only Fourteen (The R. Kelly Song)," Bob Gomez |
| "Only Sixteen," Sam Cooke |
"Only Nineteen," Malcolm Higgins |
| "Only Sixteen," Sam Cooke |
"Only Six Beans," Alvin Rhodes |
| "Only Sixteen," Sam Cooke |
"Over Six-Three," Keith GIlman |
| "Only Sixteen," Sam Cooke |
"She Was Only a Fetus," Mr. Normal |
| "Only The Good Die Young," Billy Joel |
"Only The Good Dry Hung (the Laundry Song)," Malcolm Higgins |
| "Only The Lonely," Roy Orbison |
"Clone Me I'm Only," Guy DiRito |
| "Only The Lonely," Roy Orbison |
"Loan Me A Twenty," Paul Robinson |
| "Only The Lonely," Roy Orbison |
"Only Baloney," Guy DiRito |
| "Only The Lonely," Roy Orbison |
"Only Baloney," Wozzyhonk |
| "Only The Lonely," Roy Orbison |
"Only The Bonely," Airfarcewon |
| "Only The Lonely," Roy Orbison |
"Only The Bony," Malcolm Higgins |
| "Only The Lonely," Roy Orbison |
"Only The Homely," Airfarcewon |
| "Only The Lonely," Roy Orbison |
"Only The Phone-Free," Johnny D |
| "Only The Lonely," Roy Orbison |
"Only The Roanly," Stan Hall |
| "Only The Lonely," Roy Orbison |
"Phoney Baloney," Malcolm Higgins |
| "Only The Lonely," Roy Orbison |
"Phony Baloney," William Tong |
| "Only The Lonely," Roy Orbison |
"Tony The Pony," Kristof Robertson |
| "Only Time," Enya |
"Only Time II," Tim O'Heron |
| "Only You," The Platters |
"Only Blue," Eye1zLotto |
| "Only You," Roy Orbison |
"Pony Stew," Wendy Christopher |
| "Only a Northern Song," The Beatles |
"Only a Boring Song," Rick Duncan |
| "Only a Northern Song," The Beatles |
"Only a Lancashire Hot-Pot," Mick Capewell |
| "Only in America," Jay and the Americans |
"Bonehead in America," John A. Barry |
| "Only the Lonely (Know How I Feel)," Roy Orbison |
"Guido's Doritos (I Need A Meal)," Guy DiRito |
| "Only the Lonely," Roy Orbison |
"Abstinence-Only," John A. Barry |
| "Only the Lonely," Roy Orbison |
"Boehner Is 'Boner'," John A. Barry |
| "Only the Lonely," Roy Orbison |
"Clone Me, I'm Lonely," John A. Barry |
| "Only the Lonely," Roy Orbison |
"Gone Be the Zombie," John A. Barry |
| "Only the Lonely," Roy Orbison |
"Only a Four Piece," Wolveroses |
| "Only the Lonely," Roy Orbison |
"Only the Moby," John A. Barry |
| "Only the Lonely," Roy Orbison |
"Phony Baloney," Michael Pacholek |
| "On the Road Again," Canned Heat |
"Off the Road Again," Matthew D. Miante |
| "On the Street Where You Live," My Fair Lady soundtrack |
"It's on Meat Fare I'll Live," John A. Barry |
| "On the Street Where You Live," My Fair Lady soundtrack |
"It's on Sweet Fare I'll Live," John A. Barry |
| "Oops, I Did It Again," Britney Spears |
"Oops, I'm Brainless Again," JupGrrl |
| "Opus 17 (Don't You Worry 'Bout Me)," The Four Seasons |
"0-for-17 (Lots of Furry 'Round Me)," Michael Pacholek |
| "Oscar Meyer Balogna/Wiener Jingles," TV Jingle |
"Harriet Miers Medley," William Tong |
| "The Oscar Meyer Weiner Song," Unknown (commercial jingle) |
"The Aclu Person Song," Ed Glaze III |
| "Our Car Club," The Beach Boys |
"Our Gun Club," Darrell Wilhelm |
| "Our Day Will Come," Ruby & The Romantics |
"Dave Kay Found None," William Tong |
| "Our Day Will Come," Doris Day |
"My Disc Will Come," Gary Ray |
| "Our Day Will Come," Ruby and the Romantics |
"Yahoo.com," Arcade Junkie |
| "Our House (Is a very fine house)," Crosby Stills Nash & Young |
"Our House (Is a very fried house)," MasonR |
| "Our House," CRosby, Stills& Nash |
"Our Hearse," Rick Duncan |
| "Our House," Crosby, Stills, and Nash |
"Our House," John A. Barry |
| "Our House," Crosby, Stills, and Nash |
"Tom's House," John A. Barry |
| "Our House," Crosby, Stills & Nash |
"Valentines Day," Green Bloodied Hound Dogs |
| "Our Mouse," Crosby, Stills, & Nash |
"Our Mouse," John A. Barry |
| "Out Of Time," The Rolling Stones |
"Out Of Rhymes," Alvin Rhodes |
| "Out Of Time," Rolling Stones |
"Out Of Time 2009," Albert Navarro |
| "Over The Rainbow," Judy Garland |
"Under The Table," El DeRoblo |
| "Over Under Sideways Down," The Yardbirds |
"That Cucumber Half A Crown," LucidLupin LeeBee |
| "Over the Rainbow," Dorothy |
"Over the Castle," BDWGameManiac |
| "Overture ('Bugs Bunny Show' Theme Song)," Bugs and Daffy |
"Oh Misheard," John B Wilcox |
| "Overture/It's A Boy," The Who |
"Overture/ The Test," Agrimorfee |
| "Overture/It's a Boy," The Who |
"Overture/Don't Be Buoyed," John A. Barry |
| "Overture from Tommy," The Who |
"Overture (misheard)," Alan the Ottoman |