NSWA Views 7 meanings found NSWA primarily refers to New South Wales in Australia, but the acronym is also used by watersports and water‑resource alliances in Indonesia and Canada, as well as a soft‑wash industry group. Community National Stripper Well Association Northwest Science Writers Association Governmental North State Water Alliance North Saskatchewan Watershed Alliance National Soft Wash Alliance Regional New South Wales, Australia Sports North Sulawesi Watersports Association