- Location(s): Daejeon 1982-1984, Seoul 1985-1998
- League: Korea Baseball Organization 1982-1998
- Stadium: Daejeon Baseball Stadium, Jamsil Baseball Stadium
The OB Bears were a original member of the Korea Baseball Organization in 1982. In 1998, OB, the team's parent company changed its name to Doosan and the team changed its name as well to the Doosan Bears.