| Name | Book/story/stage title | Notes
|
| Uffenham, Lord | | George, 6th Viscount Uffenham
|
| Ug | Misunderstood: A Story of the Stone Age | A young man in love
|
| Ukridge, Julia | | Stanley's aunt
|
| Ukridge, Millie | | Stanley's wife
|
| Ukridge, Stanley Featherstonehaugh | | A chancer
|
| Ulric | William Tell Told Again | A Swiss smith
|
| Underhill, Sir Derek | Jill the Reckless | A member of Parliament
|
| Underhill, Lady | Jill the Reckless | Sir Derek's mother
|
| Upjohn, Rev. Aubrey | | Ex-headmaster of Malvern House school
|
| Uppingham, Lord | Reggie and the Greasy Bird | The third Earl
|
| Upshaw, Vera | The Girl in Blue | A young woman after money
|
