Björn Herman Leonard Gustafson (born 30 November 1934) is a Swedish actor. He was born in Stockholm and has appeared in 93 films and television shows since 1956. He starred in the 1965 film Love 65, which was entered into the 15th Berlin International Film Festival.

In Sweden, he is most famous for his recurring roles as the small-time alcoholic explosives expert Dynamit-Harry in Jönssonligan and as the kind farmhand Alfred in the Emil i Lönneberga series.