Background: The rate of obesity is consistently increasing in Malaysia, especially among women, which exposes the population to various metabolic and other mortality diseases. The aim of this study was to compare the effect of 12 weeks of Aqua Zumba® Fitness programmes on metabolic diseases indicators for obese young and middle-age women. Methods: Eighty previously sedentary obese (BMI >30 kg/m2) women (age 20-59 years old) were randomized to either a 12-week Aqua Zumba® regimen (AZ, n=40) or control group (C, n=40). Experiment group were involved in 12-weeks of Aqua Zumba® Fitness programmes, 3 times per week, 60 minutes per session, with an intensity of 50-75% of maximum heart rate. Body fat percentage (BF%), visceral fat (VF), waist circumference (WC), resting blood pressure (RBP), blood glucose (BG), and blood lipids (HDL and TG) were measured at baseline (week-0) and post-exercise intervention (week-13). Result: A significant difference (p