Joen Steensen Bille (born 11 April 1944 in Frederiksberg) is a Danish actor. He is a member of the noble Bille family, and is also a great-grandson of Henrik Ibsen and Bjørnstjerne Bjørnson. He is the son of Irene Ibsen and grandson of Norwegian Prime Minister Sigurd Ibsen. He is married to art historian Bente Scavenius and is the father of actress Beate Bille.
Joen Bille has been a theatre actor in Denmark since the early 1970s, and has had roles in a number of TV series.