Michel Gaztambide (born 1959) is a France-born screenwriter based in the Basque Country, Spain. He is a recurring collaborator of Enrique Urbizu.
Born in 1959 in Apt, Vaucluse, France, he was raised in Pamplona, Navarre, Spain. He later relocated to San Sebastián. Early writing credits include ' and Chatarra. His work in Julio Medem's 1992 film Vacas earned him a nomination to the Goya Award for Best Original Screenplay.
After a period working in television for ETB, he returned to cinema in 2002 with the writing credits of Box 507, marking the beginning of a recurring partnership with Basque filmmaker Enrique Urbizu. The collaboration included films such as Life Marks (2003), and No Rest for the Wicked (2011; for which he won the Goya Award for Best Original Screenplay) as well as television series such as Gigantes and Libertad.
He has also worked in ' (2008), ' (2010), ' (2012), Petra (2018, for which he was nominated to the Feroz Award for Best Screenplay), The Influence (2019), and The Vault (2021).
In 2022, he was disclosed as a co-writer of VÃÂctor Erice's project Cerrar los ojos.