| Vimalachatra | |
|---|---|
 | |
| Born | 27 June 1921 Bangkok, Siam |
| Died | 5 December 2009 (aged 88) Bangkok, Thailand |
| Spouse | Prince Udaya Chalermlabh Vudhijaya |
| Issue | M.R. Chalermchatra Vudhijaya M.R. Phromchatra Savastivatana |
| House | Chatrajaya family (by birth) Vudhijaya family (by marriage) (Chakri dynasty) |
| Father | Purachatra Jayakara, Prince of Kamphaengphet |
| Mother | Princess Prabhavasit Narumon |
Vimalachatra (Thai: วิมลฉัตร; RTGS: Wimonchat; 27 June 1921 – 5 December 2009), Her Full title : Her Highness Princess Vimalachatra was a Princess of Thailand and member of the Thai royal family, a granddaughter of King Chulalongkorn. She was one of the longest-living royal personages in Thailand.