| Jan Sládek | |
| Birth Date: | 23 February 1907 |
| Birth Place: | Vracov, Moravia, Austria-Hungary |
| Death Place: | Prague, Czechoslovakia |
| Discipline: | MAG |
| Show-Medals: | yes |
Jan Sládek (23 February 1907 - 11 June 1984) was a Czech gymnast. He competed in eight events at the 1936 Summer Olympics.[1] Additionally, he competed at the 1934 World Artistic Gymnastics Championships, helping his CzechoSlovakian team to the silver and winning an individual bronze medal on the pommel horse, as well as at the 1938 World Artistic Gymnastics Championships where he helped his CzechoSlovakian team to gold, as well as taking an individual silver medal in the all-around combined exercises.