Josef Sedláček, a Czech midfielder, had spells at Sparta Praha. He was an international for Czech Republic before his death in 1985.
| Surname | Sedláček |
| Name | Josef |
| Nationality | Czech Republic |
| Birthplace | Praha, Czech Republic |
| Birth Date | 15 December 1893 |
| Death Date | 15 February 1985 (91 years old) |
| Position | Midfielder |
| AKA | Josef Sedlacek"Šmrdlus" |
Sparta Praha