| Pop Song | Live | Recd | Maps and Legends |
| Oceanside: (Robyn Hitchcock) | 1991 | 1991 | Live 1991: Bingo Hand Job Recd 1991: Peter Buck / Robyn Hitchcock & the Egyptians |
| Oddfellows Local 151: | 1986 | 1987 | Also known as Firehouse |
| Odds And Ends: (Bob Dylan) | 1995 | Live 1995: Peter Buck / The Minus 5 | |
| Oh, Give Me A Home Where The Buffalo Roam: (J. Lomax / D. W. Guion) | 1985 | Live 1985: A cappella known as Home on the Range | |
| Oh Suzanna: (Stephen Foster) | 1984 | Whistled by Michael Stipe in a medley with Home on the Ranch | |
| Oh Yeah: (Bryan Ferry) | 1989 | Recd 1989: Nigel & the Crosses Not yet released | |
| Ohio: (Neil Young) | 2000 | Live 2000: Peter Buck / Grant Lee Phillips Also Live 2001: Peter Buck / The Minus 5 | |
| Old Man Kensey: (Jerry Ayers / Berry / Buck / Mills / Stipe) | 1984 | 1985 | |
| Old Photographs: (Peter Buck / Mark Eitzel) | 1997 | 1996 | Live 1997: Peter Buck / Mark Eitzel Recd 1996: Peter Buck / Mark Eitzel |
| Omaha: (Skip Spence) | 1986 | 1985 | Live 1986: Michael Stipe / Golden Palaminos Recd 1985: Michael Stipe / Golden Palaminos |
| Omaha (Sharpless): (Chickasaw Mudd Puppies) | 1991 | Recd 1991: Michael Stipe / Chickasaw Mudd Puppies | |
| On Christmas Day: (Connie Hanes) | 1991 | Recd 1991: Michael Stipe / Opal Foxx Quartet | |
| One: (U2) | 1993 | 1997 | Live 1993: Mike Mills / Michael Stipe / Larry Mullen Jr. / Adam Clayton as Automatic Baby Also live 2002: R.E.M. / Bono |
| One After 909: (Lennon/McCartney) | 2001 | Live 2001: Mike Mills / The Croakers | |
| One Bar At A Time: (Scott McCaughey) | 2000 | Recd 2000: Peter Buck / The Minus 5 | |
| One I Love, The: | 1986 | 1987 | Also live 1987: Mystery Twins Also live 1991: B.H.J. Also known as This One Goes Out |
| One More Time: (Keith Streng) | 1985 | 1984 | Live 1985: Peter Buck / Full Time Men Recd 1984: P. Buck / M. Mills / Full Time Men |
| One Nation Under A Groove: (Funkadelic) | 1982 | Live 1982: w/ Gang of Four ? | |
| 165 Hillcrest: | 2001 | ||
| Only In America: (J. Lieber / M. Stoller / C. Weill / B. Mann) | 1994 | Recd 1994: Soundtrack to Canadian Bacon by Michael Moone (ost) Also recd 1996 | |
| 12XU: (B. Gilbert / G. Lewis / C. Newman / R. Gotobed) | 1985 | ||
| 1,2,3 Red Light: (Tater Totz) | 1989 | Recd 1989: Michael Stipe / Tater Totz | |
| Orange Crush: | 1987 | 1988 | |
| Organ Song: | 1991 | Also known as the demo recordings Here I am Again and Kerouac No. 4 | |
| Our Car Club: (Brian Wilson / Mike Love) | 1989 | Recd 1989: Peter Buck / Tommy Keene | |
| (Out On The Streets) Junk Is Still King: (Gary Heffern) | 1996 | Recd 1996: Peter Buck / Gary Heffern | |
| Over The Sea: (Scott McCaughey) | 2000 | 2000 | Recd 2000: Peter Buck / The Minus 5 Live 2000: Peter Buck / The Minus 5 |