Jon Garaño Arzalus (born 18 November 1974) is a Spanish Basque filmmaker and screenwriter.

He won the Goya Award for Best Original Screenplay for the 2017 film Giant and has been nominated for the Goya Award for Best Director three times, for Giant, The Endless Trench (2019) and Marco, the Invented Truth (2024).

Garaño graduated in journalism and advertising at the University of the Basque Country and studied film at the Sarobe Centro de Artes Escénicas and San Diego State University.

[1][2] In 2001, Arregi started the film production company Moriarti Produkzioak with other colleagues.

[3] The productions of Moriarti Produkzioak are characterised by teamwork, including directing, and by the exchange of roles between the members.