Yes, there are many universities that offer an MBA in Australia without GMAT scores. Some of them are - The University of Sydney Business school, Curtin University, James Cook University, Australian Catholic University, Sydney Graduate School of Management, Macquarie Graduate School of Management, Sydney Business School (University of Wollongong), Faculty of Business and Economics (Monash University), La Trove University, and ANU College of Busines and Economics (Australian National University).