Karl Wunderle (date of birth unknown; date of death unknown) was a Swiss footballer who played for FC Basel. He played mainly in the position as striker, but also as midfielder. Between the years 1909 and 1916 Wunderle played a total of 104 games for Basel scoring a total of 22 goals. 54 of these games were in the Swiss Serie A, four in the Anglo-Cup and 46 were in friendly or so called test games. He scored 13 goal in the domestic league, the other nine were scored during the test games.