| Birth Date: | 28 September 1918 |
| Birth Place: | Lidköping, Sweden |
| Death Date: | 10 September 1992 (aged 73) |
| Death Place: | Lidköping, Sweden |
| Sport: | Freestyle wrestling |
| Club: | Lidköpings AS |
| Show-Medals: | yes |
Ivar Sven Lennart "Kovan" Sjölin (28 September 1918 – 10 September 1992) was a Swedish freestyle wrestler who won a silver medal in the featherweight division at the 1948 Olympics.