Quotation authors by 'U'
| Full name | Nationality | Profession |
|---|---|---|
| Al Unser | American | Athlete |
| Alanna Ubach | American | Actress |
| Alisher Usmanov | Businessman | |
| Alvaro Uribe | Colombian | Statesman |
| Barry Unsworth | British | Writer |
| Billy Unger | American | Actor |
| Bjorn Ulvaeus | Swedish | Musician |
| Blair Underwood | American | Actor |
| Bob Uecker | American | Athlete |
| Bobby Unser | American | Driver |
| Brenda Ueland | American | Writer |
| Carrie Underwood | American | Musician |
| David Ulevitch | American | Businessman |
| Deborah Kara Unger | Canadian | Actress |
| Evelyn Underhill | English | Writer |
| Fred Upton | American | Politician |
| Gabrielle Union | American | Actress |
| Gaspard Ulliel | French | Actor |
| Hamdi Ulukaya | Turkish | Businessman |
| Jenna Ushkowitz | South Korean | Actress |