| Boris Nikolayevich Siskov | |
| Native Name: | Борис Николаевич Сиськов |
| Birth Date: | 30 July 1920 |
| Birth Place: | Smirnovka village, Yeniseysk Governorate, RSFSR (located in present-day Minusinsky District) |
| Death Date: | 25 February 1984 |
| Death Place: | Kislovodsk, USSR |
| Branch: | Soviet Air Force |
| Serviceyears: | 1940 – 1958 |
| Battles: | World War II Korean War |
| Rank: | Major |
| Awards: | Medal "For Courage" |
Boris Nikolayevich Siskov (Russian: Борис Николаевич Сиськов; 20 July 1920 25 February 1984) was a Soviet MiG-15 flying ace during the Korean War credited with 11 or 5[1] aerial victories. He was the final Soviet ace of the war, scoring his fifth (and possibly last) victory on 20 July 1953.