| Birth Date: | 3 December 1914 |
| Birth Place: | Muuruvesi, Finland |
| Death Date: | 21 October 2002 (aged 87) |
| Death Place: | Rauma, Finland |
| Sport: | Athletics |
| Event: | Javelin throw, discus throw, long jump |
| Pb: | JT – 43.79 m (1948) DT – 38.02 m (1939) LJ – 5.48 m (1948) |
| Club: | Varku Urheilijat |
| Show-Medals: | yes |
Katri "Kaisa" Vellamo Parviainen (3 December 1914 – 21 October 2002) was a Finnish athlete. She competed in the javelin throw at the 1948 and 1952 Olympics and won a silver medal in 1948, finishing 16th in 1952; in 1948 she also placed 13th in the long jump.