Bruno of Altena-Isenberg, also known as Bruno of Isenberg, was Prince-bishop of Osnabrück from 1250 to his death. He succeeded his brother Engelbert III as Prince-Bishop.
- Occupation
- Catholic priest, Catholic bishop
- Position held
- Prince-Bishop of Osnabrück, bishop-elect, bishop
- Born
- 1200
- Died
- December 20, 1258