| Kashemsanta Sobhaga | |
| Prince Phromwaranurak | |
| Issue: | 39 sons and 22 daughters |
| Full Name: | Kashemsanta Sobhaga, the Prince Phromwaranurak |
| House: | Chakri Dynasty |
| Mother: | Phae Thammasarot |
| Birth Date: | 18 August 1856 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
Prince Kashemsanta Sobhaga, the Prince Phromwaranurak (th|พระเจ้าบรมวงศ์เธอ พระองค์เจ้าเกษมสันต์โสภาคย์ กรมหลวงพรหมวรานุรักษ์; ; 18 August 1856 – 4 January 1924) was a Prince of Siam (later Thailand), a member of the Siamese royal family, and a member House of Kashemsanta. He was a son of King Mongkut of Siam. He was the head of the Kashemsant dynasty.[1]
His mother was Chao Chom Manda Pae Dharmasaroja, who was a daughter of Phra Samranharuethai (Uan Dharmasaroja) and Thao Songkandan (Si Dharmasaroja). He had 4 siblings, 2 elder sisters, 1 younger brother and 1 younger sister.
Prince Kashemsanta Sobhaga died 4 January 1924 at the age 67.