Bent Hamer (born 18 December 1956) is a film director, writer and producer, born in Sandefjord, Norway in 1956.

His 2003 film Kitchen Stories screened at many international festivals and was the Norwegian submission for the Academy Award for Best Foreign Language Film.

In April 2004, Bent Hamer started shooting Factotum based on the novel of the same name by US poet and writer Charles Bukowski.

The screenplay was written by Hamer and Jim Stark (Mystery Train, Cold Fever), who produced the film together with Christine Walker (American Splendor).

Hamer is the owner and founder of the BulBul Film Association, established in Oslo in 1994.