| Song Title | Source | Composer(s) |
|---|
| Under the Roller Coaster | Rink, The
| Kander |
| Under The Sea | Little Mermaid, The
| Menken |
| Under the Sun | Nefertiti
| Spangler |
| Under The Table Tango | April 15th Blues
| Yarmolinsky |
| Under the Train | BurgerTown
| Strawn |
| Under the Tree | Celebration
| Schmidt |
| Under the Tree |
| |
| Under Your Spell | Once More, With Feeling
| Beck, Whedon |
| Under Your Spell | Under Your Spell
| Schwartz |
| Under Your Spell (Reprise) | Once More, With Feeling
| Beck, Whedon |
| Underneath It All | Minnie's Boys
| Grossmann |
| Underneath the Arches | Underneath the Arches
| various |
| Underneath the Mistletoe | That Time of the Year
| Oliver, Levin, Cohen, Rosen, Ross, Wherry, Wilf |
| Understand | All That He Was
| O'Connor |
| Understand It | Exchange
| Brandt, Knight, Lowery |
| Undertow | Canterville Ghost, The
| Bock |
| Underture | Tommy
| Townshend |
| Underwater | Caroline, Or Change
| Tesori |
| Underworld, The | Grail
| Christianson |
| Underworld, The | Orpheus and Euridice
| Gordan |
| Undiscovered Son, The | Runaways
| Swados |
| Undying Love | Tsarina
| Johnson |
| Une Raison D'espérer | Dix Commandements, Les
| Obispo |
| Uneasy Lies the Head | Adventures Of Marco Polo, The
| Pahl, Warnick |
| Unenviable Role, An | Fall Of The House Of Usher, The
| Hammill |
| Unescorted Women | Onward Victoria
| Herrmann |
| Unexpected Love | Dance on a Country Grave
| Hamilton |
| Unexpected Song | Song and Dance
| Lloyd Webber |
| Unexpressed | It's Only Life
| Bucchino |
| Unfair | Fiorello!
| Bock |
| Unfinished Melody, The | Anastasia Affaire, The
| Forrest, Wright |
| Unfinished Song, An | Unfinished Song, An
| Mellon |
| Unfit To Rule | Only a Kingdom
| Steir |
| Unforgivably Happy | Anna Karenina
| Chicorel |
| Unhappy | Producers, The
| Brooks |
| UNICEF Song | Christine
| Fain |
| Unicorn in the Garden, The | Thurber Carnival, A
| Elliot |
| Uniform | Dancing Years, The
| Novello |
| Uniform (Reprise) | Dancing Years, The
| Novello |
| Union League, The | Let 'em Eat Cake
| Gershwin |
| Union Maid | Woody Guthrie's American Song
| Guthrie |
| Union Mare & the Confederate Drey, The | White Mansions
| Kennerley |
| Union Square | Let 'em Eat Cake
| Gershwin |
| United | Eleanor: an American Love Story
| Tierney |
| United Nations On the March, The | Thousands Cheer
| various |
| Universal Good | Candide
| Bernstein |
| Universal Good (Reprise) | Candide
| Bernstein |
| Universal White Kid Gloves | Card, The
| Hatch |
| University Yowl, The | Charlie Sent Me!
| Sherman, Larsen |
| Unkie's Muncle | Ruthless!
| Laird |
