| Song Title | Source | Composer(s) |
| Old Enough to Love | By the Beautiful Sea
| Schwartz |
| Old Fashioned Ballad |
| |
| Old Fashioned Ballad |
| |
| Old Fashioned Christmas, An | Stingiest Man In Town, The
| Spielman |
| Old Fashioned Wedding | Watch Your Step
| Berlin |
| Old Fashioned Wife, An | Oh, Boy!
| Kern |
| Old Father William | Alice in Wonderland
| Fain |
| Old Folks | 70, Girls, 70
| Kander |
| Old Folks | Jacques Brel Is Alive and Well and Living in Paris
| Brel |
| Old Folks at Home (Swanee River) | Stephen Foster Story, The
| Foster |
| Old Folks at Home (Swanee River) | Coney Island
| Rainger |
| Old Folks at Home (Swanee River) | Babes on Broadway
| Lane, Edens, Rome |
| Old Friend | I'm Getting My Act Together and Taking It On the Road
| Ford |
| Old Friends | Merrily We Roll Along
| Sondheim |
| Old Friends | Trelawny
| Slade |
| Old Friends | Metropolis
| Brooks |
| Old Friends | Surprise!
| Sokolof Javitch |
| Old Friends (Reprise) | Merrily We Roll Along
| Sondheim |
| Old Gals | Radio Gals
| Craver, Hardwick |
| Old Gavotte, The | Three to Make Ready
| Lewis |
| Old Glory | Star Spangled Rhythm
| Arlen |
| Old Gray Coat | Civil War, The
| Wildhorn |
| Old Gumbie Cat, The | Cats
| Lloyd Webber |
| Old Habits Die Hard | Heartbeats
| McBroom |
| Old Home | It, Wit, Don't Give a Shit Girls
| Anderson, Cutts, Keane |
| Old Home Guard (Reprise), The | Bedknobs and Broomsticks
| Sherman, Sherman |
| Old Home Guard, The | Bedknobs and Broomsticks
| Sherman, Sherman |
| Old Immigration and Naturalization Rag, The | All American
| Strouse |
| Old Job Man | Lies and Legends: The Musical Stories of Harry Chapin
| Chapin |
| Old King Cole | Varsity Show
| Whiting |
| Old Life Gone | Lifts
| House |
| Old Long John | Time For Singing, A
| Morris |
| Old Maid | 110 in the Shade
| Schmidt |
| Old Maid / Old Goat | Main-Travelled Roads
| Libman |
| Old Man Cobb | Love Online
| Gari |
| Old Man's Darling - Young Man's Slave? | Louisiana Purchase
| Berlin |
| Old Man, An | Two by Two
| Rodgers |
| Old Man, The | White Christmas
| Berlin |
| Old Meg, She Was a Gypsy | Beyond the Fringe
| Moore |
| Old Miami Shore | Las Vegas Nights
| various |
| Old Military Canal, The | Half a Sixpence
| Heneker |
| Old Movies | Cast of Thousands
| Carnelia |
| Old Movies | Pictures in the Hall
| Carnelia |
| Old Mr. Fate | Dance on a Country Grave
| Hamilton |
| Old People Gotta Sit Dere An' Die | Most Happy Fella, The
| Loesser |
| Old Red Hills of Home, The | Parade
| Brown |
| Old Revivals |
| |
| Old Rules Are Old Rules | First Lady Suite
| LaChiusa |
| Old Santa Fe | Johnny Guitar
| Silvestri, Higgins |
| Old Sayin's | Juno
| Blitzstein |