| Bo Karlsson | |
| Fullname: | Bo Jonas Hilding Karlsson |
| Birth Date: | 12 October 1949 |
| Role1: | Referee |
| League1: | Allsvenskan |
| Years1: | 1984-1992 |
| Internationalyears1: | 1986-1994 |
| Confederation1: | FIFA-listed |
| Internationalrole1: | Referee |
Bo Jonas Hilding Karlsson (born 12 October 1949) is a former football referee from Sweden. He refereed one match at the 1992 European Championships and one match at the 1994 World Cup. He also refereed the 1991 European Cup Winners' Cup Final between Manchester United and Barcelona.
In 2010, Karlsson appeared in Mattias Löw's documentary The Referee about Martin Hansson shown on Sveriges Television ahead of the World Cup in South Africa.