Muja or MUJA may refer to:
Places Muja, Ethiopia, a town Muja, Western Australia, town in the Shire of Collie, Western Australia Muja Power Station, in Muja, Western Australia Ichigkat muja – Cordillera del Condor National Park, a protected area in Peru Jurassic Museum of Asturias (MUJA), Jurassic Museum of Asturias, Spain
People Alban Muja, Kosovo artist and film-maker Arbnor Muja, Kosovan professional footballer Arta Muja, German model Muja Messiah, American rapper
Other uses Muja (alligator), an American alligator living in the Belgrade Zoo and is the oldest known alligator in captivity Muja, a 2009 EP by Avicii Muja Kina, a character from Yandere Simulator