František Pecháček

František Pecháček (15 February 1896 – 3 February 1944) was a Czech gymnast who competed for Czechoslovakia in the 1920 Summer Olympics. He was born in Záhornice near Městec Králové and was murdered in Mauthausen-Gusen concentration camp.

In 1920 he was a member of the Czechoslovak gymnastic team which finished fourth in the team event.