Karl Kristian Anton 'Kalle' Schröder (30 October 1913 – 9 June 1982) was a Swedish tennis player.

Between 1935 and 1939, Schröder played a total of 26 Davis Cup matches for Sweden and won 17 of these.

Schröder and doubles partner, Nils Rohlsson were victories against the German pair of Henner Henkel and Georg von Metaxa, but in the singles he and Morgan Hultman lost both of their respective singles matches, giving Germany a 4–1 victory.

[2] Schröder was the first Swedish tennis player to truly achieve international success and during the years 1934 to 1942, he won 11 European Championship titles which include the German –, French – and English indoor championships.

[4] In 1941 he became a professional player and after retirement he took up coaching and worked with Lennart Bergelin, among others.