Martinus Wouter "Martin" Koolhoven (born 25 April 1969) is a Dutch film director and screenwriter.

[4] In 2004, Koolhoven was one of the New Faces In European Cinema as presented by Pedro Almodovar at the AFI festival (Hollywood).

In 2008 Koolhoven made Oorlogswinter (Winter in Wartime), a Dutch movie based on the novel by the same name, written by Jan Terlouw.

In 2020, Koolhoven received the Silver Rose, an award given annually to a recipient that is or has been of great significance to the Dutch film world.

[10] In 2022 Koolhoven was presented with the Rutger Hauer Award, which is given annually to a recipient that has made an important contribution to the development and promotion of young film talent in the Netherlands.

[11] In 2024, at the International Film Festival Rotterdam, his talent development program Koolhoven Presents premiered.