| Princess Tatiana | |
|---|---|
| Born | 16 August 1984 Santa Clara, California, United States |
| Spouse | Guillermo Sierra y Uribe |
| House | Golitsyn |
| Father | Prince Peter Galitzine |
| Mother | Maria-Anna von Habsburg |
Princess Tatiana Petrovna Galitzine (born 16 August 1984) is an American-born architectural designer and UNICEF activist.