Mariz may refer to:
Mariz (parish), now Creixomil e Mariz, in Barcelos, Portugal A parish in Guitiriz, Lugo, Galicia, Spain A parish in Chantada, Lugo, Galicia, Spain Mariz (river), a river of Galicia
People Mariz (surname), Portuguese and Brazilian surname Mariz (name), list of people with the name
See also Brazilian ship Mariz e Barros