Gustaf Harald August Molander (18 November 1888 – 19 June 1973) was a Swedish actor and film director.

Gustaf Molander was born in Helsingfors (now Helsinki) in the Grand Duchy of Finland (in the Russian Empire), where his father was working at the Swedish Theatre.

Molander wrote several screenplays for Victor Sjöström and Mauritz Stiller, and was helped by the latter to get employment as a director for Svensk Filmindustri, where he worked 1923–1956.

In 1943 he directed Ordet, the first film version of the play of the same name written by the Protestant pastor Kaj Munk, not to be confused with the second and more famous version of the film brought to the big screen by Carl Theodor Dreyer.

In 1948 Molander made what should have been his last film, Eva, but almost twenty years later, in 1967, he agreed to participate as a director of an episode in the collective film Stimulantia only to return to work with Ingrid Bergman 30 years later.