| Birth Date: | 2 April 1924 |
| Birth Place: | Kankaanpää, Finland |
| Death Date: | 31 October 1997 (aged 73) |
| Death Place: | Kangasala, Finland |
| Height: | 186 cm |
| Weight: | 100–110 kg |
| Sport: | Wrestling |
| Club: | Kankaanpään Meno Tampereen Painiseura TUL |
| Show-Medals: | yes |
Taisto Ilmari Kangasniemi (2 April 1924 – 31 October 1997) was a Finnish heavyweight wrestler. He competed in Greco-Roman and freestyle events at the 1948, 1952, 1952 and 1964 Summer Olympics, and won a freestyle bronze medal in 1956; he placed sixth in the freestyle in 1952 and fourth-sixth in Greco-Roman contests in 1952 and 1956. His best result at the world championships was fourth place in 1953 in Greco-Roman wrestling. Domestically he won eight Greco-Roman (1950–51, 1953, 1955, and 1962–63) and two freestyle titles (1953–54).
After retiring from competitions Kangasniemi worked as a sports instructor and functionary. He was president and then honorary president of Tampereen Painiseura, a wrestling club he co-founded.