| Author | Type |
| Alanna Ubach | Actress |
| Mark Udall | Politician |
| Mo Udall | Politician |
| Stewart Udall | Politician |
| Tom Udall | Politician |
| Peter Ueberroth | Businessman |
| Bob Uecker | Athlete |
| Brenda Ueland | Writer |
| Nobuo Uematsu | Composer |
| Morihei Ueshiba | Athlete |
| Walter Ulbricht | Politician |
| Liv Ullman | Actress |
| Samuel Ullman | Poet |
| Tracey Ullman | Comedian |
| Liv Ullmann | Actress |
| Walter F. Ulmer | Soldier |
| Lars Ulrich | Musician |
| Skeet Ulrich | Actor |
| Bjorn Ulvaeus | Musician |
| Miguel de Unamuno | Educator |
| Evelyn Underhill | Writer |
| Blair Underwood | Actor |
| Carrie Underwood | Musician |
| Sigrid Undset | Novelist |
| Gabrielle Union | Actress |
| Johnny Unitas | Athlete |
| Al Unser | Athlete |
| Bobby Unser | Celebrity |
| John Updike | Novelist |
| Fred Upton | Politician |
| Karl Urban | Actor |
| Keith Urban | Musician |
| Midge Ure | Musician |
| Robert Urich | Actor |
| Leon Uris | Writer |
| Peter Ustinov | Actor |
| Peter Utley | Journalist |
