| Karl-Erik Grahn | |
| Full Name: | Karl-Erik Vilhelm Grahn |
| Birth Date: | 5 November 1914 |
| Birth Place: | Jönköping, Sweden |
| Death Place: | Borås, Sweden |
| Position: | Midfielder, forward |
| Years1: | 1932–1949 |
| Clubs1: | IF Elfsborg |
| Caps1: | 346 |
| Goals1: | 57 |
| Nationalyears1: | 1935–1946 |
| Nationalteam1: | Sweden |
| Nationalcaps1: | 41 |
| Nationalgoals1: | 3 |
Karl-Erik Grahn (5 November 1914 - 14 March 1963) was a Swedish footballer who played as a midfielder or forward for Sweden in the 1936 Olympic Games and the 1938 FIFA World Cup.[1] He also played for IF Elfsborg.[2]