| Bhaktra Bimalabarna | |
| Full Name: | Her Royal Highness Princess Bhaktra Bimalabarna |
| House: | Chakri Dynasty |
| Birth Date: | 25 October 1854 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
| Mother: | Pae Thamsaroj |
Princess Bhaktra Bimalabarna (Thai: พักตร์พิมลพรรณ ; ; 25 October 1854 - 18 October 1909) was a Princess of Siam (later Thailand). She was a member of Siamese royal family and is a daughter of King Mongkut and Consort Phae Dharmasaroja.
Her mother was Chao Chom Manda Pae Thamsaroj (is a daughter of Ao Thamsaroj and Si Thamsaroj) She was given the full name of Phra Chao Borom Wong Ther Phra Ong Chao Bhaktra Bimalabarna (Thai: พระเจ้าบรมวงศ์เธอ พระองค์เจ้าพักตร์พิมลพรรณ). She had 3 siblings 1 elder sister and 2 younger brother and 1 younger sister:
Princess Bhakta Bimalabarna died on 18 October 1909 at the age 54.