| Kanchanakara | |
| Full Name: | Kanchanakara |
| House: | Chakri Dynasty |
| Mother: | Sangwal Na Ratchasima |
| Birth Date: | 8 June 1863 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
Princess Kanchanakara (Thai: กาญจนากร; ; 8 June 1863 - 20 September 1932) was a Princess of Siam (later Thailand She was a member of Siamese royal family was a daughter of King Mongkut Rama IV of Siam and Chao Chom Manda Sangwal.
Her mother was Chao Chom Manda Sangwal (is a daughter of Thongkham Na Ratchasima and Noi Na Ratchasima (Panikabutra), She given full name Phra Chao Borom Wong Ther Phra Ong Chao Kanchanakara (Thai: พระเจ้าบรมวงศ์วงศ์เธอ พระองค์เจ้ากาญจนากร).
Princess Kanchanakara died on 20 September 1932 at the age 69.