| Title | Author | Page |
|---|---|---|
| O Babe, It Ain't No Lie | Cotten, Elizabeth | 103 |
| O Come, O Come Emmanuel | Neale, John M (1811) and (verses 3&4) Henry Sloan Coffin (1909) | 46 |
| O Freedom | Traditional | 62 |
| O Had I A Golden Thread | Seeger, Pete | 31 |
| O Hanukah | Traditional Hebrew | 89 |
| O How Lovely Is The Evening | Traditional German | 191 |
| O Mary Don't You Weep | Unknown | 63 |
| O What A Beautiful Morning | Rodgers, Richard / Hammerstein Ii, Oscar | 154 |
| O, No, John | Traditional English | 126 |
| O, What A Beautiful City | Traditional Spiritual / Hicks, Marion | 211 |
| Oats, Peas, Beans And Barley | Unknown | 55 |
| Octopus's Garden | Starkey, Richard | 174 |
| Oh Susanna | Foster, Stephen | 175 |
| Oklahoma | Rodgers, Richard / Hammerstein, Oscar | 55 |
| Ol' Texas | Unknown | 55 |
| Old Chisholm Trail | Unknown | 55 |
| Old Dan Tucker | Emmet, Dan | 148 |
| Old Devil Time | Seeger, Peter | 241 |
| Old Earth, This | Zentz, Bob | 38 |
| Old Folks At Home, The | Foster, Stephen | 111 |
| Old Friends | Simon, Paul | 226 |
| Old Hundredth | Bourgeois, Louis / Kethe, William | 46 |
| Old J.P. He Ain't What He Used To Be | Kahn, Si / Orange, James / the Old Grey Mare | 257 |
| Old Joe Clark | Unknown | 148 |
| Old Macdonald | Whiteley, Ken / Raffi | 175 |
| Old Rosin The Beau | Traditional | 89 |
| Old Settler Song, The | Traditional / Henry, Judge Francis B. | 89 |
| Old Time Religion | Traditional Spiritual | 211 |
| Old Time Religion (humerous) | Seeger, Pete | 74 |
| Oleanna | Seeger, Pete / Traditional Norwegian | 74 |
| On Ilkley Moor Bah T'at | Traditional English | 74 |
| On Top Of Spaghetti | Traditional / Glaser, Tom | 175 |
| Once To Every Man And Nation | Lowell, James Russell | 216 |
| One About The Bird In The Cage, The | Taubb, Rutthy | 249 |
| One Bottle Of Pop | Kokopelli, Bruce | 191 |
| One Day At A Time | Nelson, Willie | 226 |
| One Grain Of Sand | Seeger, Pete | 135 |
| One Man's Hands | Seeger, Peter | 241 |
| One More Step | Carter, Sydney | 235 |
| One Morning In May | Keith, Bill / Rooney, Jim | 25 |
| Only A Song | Staines, Bill | 31 |
| Oseh Shalom | Traditional Hebrew | 163 |
| Our Life Is More Than Our Work | King, Charlie | 257 |
| Over In The Meadow | Kaplan, Doris / Hays, Lee | 175 |
| Over My Head | Traditional Spiritual | 211 |
| Over The Rainbow | Arlen, Harold / Harburg, E. Y. | 31 |
