The Marulta were an indigenous Australian people of the state of Queensland, Australia.
The Marulta spoke Marrulha, one of several dialects of a Karnic language, similar to Mithaka.
The Marulta were a people of Lake Barrolka, with, according to Norman Tindale, an estimated of territory, extending south as far as Lake Yamma Yamma, and west to the Beal Range. Their northeasterly reach ran to the vicinity of Opalville and Cooper Creek.