Dayak may refer to:
Dayak people, an ethnic group native to the interior of Borneo island in Indonesia and Malaysia Dayak language Land Dayak languages A creature in the science fiction film Immortal (2004 film) Troy Dayak (born 1971), American soccer player Mano Dayak (1949-1995), Tuareg freedom fighter, leader, and negotiator
See also Dyak (disambiguation)