Józef Klotz (2 January 1900 – 1941) was a Jewish Polish footballer who played centre-half.^[2][3] He scored the first-ever goal for the Poland national football team. He was killed by the Nazis in the Warsaw Ghetto in 1941.

Klotz was born in Kraków, southern Poland, and was Jewish.^[2][4] His father was a shoemaker.^[5]

He scored the first-ever goal for the Poland national football team. He scored it against Sweden in Stockholm in May 1922, in the team's third international match.^{[4][6][2][7][8]}

Klotz played for two clubs. He played first for Jutrzenka Kraków, which he joined as a youth team player and played for from 1912 to 1925, and then for Maccabi Warszawa from 1925 to 1929 (both teams were Jewish minority teams).^[9][5][10] He retired as a player in 1930.^[5]

He was imprisoned in the Warsaw Ghetto in 1940. He was murdered there by the Germans in 1941.^{[4][11][8][2][5]}

In 2019, Klotz was honored by the Polish Football Association.^[4][12]

• Polish soccer (football) in interwar period
• List of select Jewish football (association; soccer) players