| Birth Date: | 4 January 1926 |
| Birth Place: | Hallsberg, Sweden |
| Death Date: | 9 April 2008 (aged 82) |
| Death Place: | Arboga, Sweden |
| Sport: | Wrestling |
| Club: | Hallsbergs BK Örgryte IS, Göteborg |
| Show-Medals: | yes |
Karl Bengt Johansson (4 January 1926 – 9 April 2008) was a Swedish flyweight wrestler. As a Greco-Roman wrestler he won a world title in 1950 and finished fifth at the 1952 Summer Olympics. In freestyle wrestling he won two bronze medals, at the 1949 European and 1951 world championships.