Gareth Huw Evans is a Welsh film filmmaker and action choreographer. He is best known for the Indonesian action crime films Merantau (2009), The Raid (2011), and The Raid 2 (2014), and for bringing the Indonesian martial art of pencak silat into world cinema through these films. He is also known for co-creating, co-writing, co-directing, and executive producing the Sky Atlantic/AMC action crime drama television series Gangs of London (2020–present), alongside Matt Flannery, based on the 2006 video game of the same name.

Merantau, released in some countries as Merantau Warrior, is a 2009 Indonesian martial arts action film written, directed and edited by Gareth Huw Evans, and starring Iko Uwais. The film, which marks Uwais' debut as an actor, is the first collaboration between director Evans and star Uwais. It also marks the acting debut of Yayan Ruhian, both of whom Evans met while shooting for a documentary in Indonesia which became his introduction to the Pencak Silat martial art.