| Title | UK | US | Status |
|---|---|---|---|
| Ugly Duckling, The | Dramatic Publishing | ||
| Ulysses | French | ||
| Umpire, The | Tams-Witmark | ||
| Under Pirate | Samuel French | ||
| Under the Bridge | Samuel French | ||
| Underneath the Arches | Weinberger | Music Theatre International | |
| United We Stand | French | ||
| Unsinkable Molly Brown, The | Weinberger | Music Theatre International | |
| Urinetown | Weinberger | Music Theatre International | |
| Utter Glory of Morrisey Hall, The | Samuel French |