| Karl-Einar Sjögren | |
| Fullname: | Karl-Einar Fridolf Sjögren |
| Nationality: | Swedish |
| Birth Date: | 29 September 1871 |
| Birth Place: | Stockholm, Sweden |
| Death Place: | Stockholm, Sweden |
Karl-Einar Fridolf Sjögren (29 September 1871 – 6 May 1956) was a sailor from Sweden, who represented his native country at the 1908 Summer Olympics in Ryde, Great Britain. Sjögren took the 5th place in the 6 Metre.[1]