Josef Šnejdárek (2 April 1875 – 13 May 1945) was a Czech soldier.
He served in the French Foreign Legion for 28 years, before joining the Czechoslovak Army.
He saw service in World War I, the Poland–Czechoslovakia war over Cieszyn Silesia and in the war with the Hungarian Soviet Republic over territories in what is now Slovakia.
He claimed in his memoirs never to have lost a battle nor a duel.