Károly Dietz

{{Short description|Hungarian footballer (1885–1969)}}

{{Hungarian name|Dietz Károly}}

{{Use dmy dates|date=April 2023}}

{{Infobox football biography

| name = Károly Dietz

| image =

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| birth_date = {{birth date|1885|07|21|df=y}}

| birth_place = Sopron, Hungary

| death_date = {{death date and age|1969|07|09|1885|07|21|df=y}}

| death_place = Budapest, Hungary

| height =

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| years1 =

| clubs1 = Magyar AC

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| clubs2 = Műegyetemi AFC

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| manageryears1 = 1934–1939

| managerclubs1 = Hungary

}}

Károly Dietz (21 July 1885 – 9 July 1969) was a Hungarian football player and manager who coached Hungary in the 1938 FIFA World Cup.[https://web.archive.org/web/20071018091544/http://fifa.com/worldcup/archive/edition=5/teams/team=43950.html 1938 FIFA World Cup France] He was the national football team's manager from 1934 to 1939. Dietz also played for Magyar AC and Műegyetemi AFC.