| Jaroslav Košnar | |
| Birth Date: | 1930 8, df=y |
| Birth Place: | Czechoslovakia |
| Nationalyears1: | 1953–1954 |
| Nationalteam1: | Czechoslovakia |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
Jaroslav Košnar (17 August 1930 – 21 April 1985) was a Slovak football player. He played for Czechoslovakia, for which he played two matches.[1]
He was a participant at the 1954 FIFA World Cup.