WTAA Views 9 meanings found WTAA typically refers to local athletic associations—such as Waterford or Williams Township Athletic Associations—while in Australia it can denote a Workplace Training Advisory body. Miscellaneous Wing Tshung Academie Amsterdam Community Wangaratta Textile Arts Association World Toilet Association Assembly Regional Workplace Training Advisory Australia Workplace Training Advisory of Australia Business W T A A International, Inc. Sports Waterford Township Athletic Association Waterfod Township Athletic Association Williams Township Athletic Association