| San Yun | |
| Native Name: | Central Khmer: សាន យន់ |
| Office: | Prime Minister of Cambodia |
| Term Start: | 25 October 1956 |
| Term End: | 9 April 1957 |
| Successor: | Norodom Sihanouk |
| Birth Date: | 15 June 1905 |
| Birth Place: | Pursat, Cambodia, French Indochina |
| Party: | Sangkum |
San Yun (km|សាន យន់; 1905 – 1974) was the prime minister of Cambodia from 1956 to 1957.[1] He was Minister of Finance in 1957.