| Gian Singh | |
| Nationality: | Malaysian |
| Sport: | Field hockey |
| Birth Date: | 16 January 1928 |
| Birth Place: | Taiping, Perak, British Malaya |
| Death Place: | Kuala Lumpur, Malaysia |
| Club: | Selangor |
Gian Singh (16 January 1928 - 12 November 2004) was a Malaysian field hockey player. He competed in the men's tournament at the 1956 Summer Olympics.[1]