Bjørn Petter Westlie (born 23 July 1949) is a Norwegian journalist, historian, university college lecturer and non-fiction writer.

In 1995, as a journalist for the newspaper Dagens Næringsliv, Westlie published a major article about the looting of the Norwegian Jews during the Second World War.

Maktens ansikt (The Face of Power) from 1991 is a portrait of Milorg leader and later politician Jens Chr.

According to himself, Westlie has repeatedly been rethinking his own embrace of extreme political movements when trying to decipher his father’s choices.

[citation needed] He is married to researcher, journalist, university college lecturer and writer Anne Hege Simonsen.