Bjørn Bjørnson (15 November 1859 – 14 May 1942) was a Norwegian stage actor and theatre director.

He was born in Christiania, the son of author Bjørnstjerne Bjørnson and his wife Karoline Bjørnson.

In 1876, he was admitted as a student at the Stern Conservatory operated by Julius Stern in Berlin, Germany.

In 1893 he married Norwegian opera singer Gina Oselio.

This article about a Norwegian actor is a stub.