| Jaroslav Alexa | |
| Nationality: | Czech |
| Sport: | Athletics |
| Event: | High jump |
| Birth Date: | 6 July 1949 |
| Birth Place: | Brno, Czechoslovakia |
| Death Place: | Mariánské Lázně, Czech Republic |
Jaroslav Alexa (6 July 1949 – 5 August 2008) was a Czech athlete. He competed in the men's high jump at the 1968 Summer Olympics and the 1972 Summer Olympics.[1]