| Name | Profession | Movie or TV appearance | Has Smoked IRL (In Real Life) | Quit |
| Alanna Ubach | actress | Yes | ||
| Fabiana Udenio | actress | Yes | ||
| Claudia Udy | actress | Yes | ||
| Helene Udy | actress | Yes | ||
| Nadja Uhl | actress | Yes | ||
| Elena Uhlig | actress | Yes | Yes? | |
| Tracey Ullman | actress | Yes | Yes? | |
| Liv Ullmann | actress | Yes | ||
| Jolanta Umecka | actress | Yes | ||
| Carrie Underwood | singer | No? | ||
| Idil Üner | actress | Yes | ||
| Deborah Kara Unger | actress | Yes | Yes? | |
| Lilith Ungerer | actress | Yes | ||
| Gabrielle Union | actress | Yes | No? | |
| Mary Ure | actress | ?Yes? | ||
| Varsha Usgaonkar | actress | Yes |
