NSW is the postal code for New South Wales, a state in Australia.
NSW may also refer to:
King of Egypt National Herbarium of New South Wales, by Index Herbariorum code Naval Strike Wing of the UK's Royal Navy Fleet Air Arm Navut language of Vanuatu Newman–Shanks–Williams prime, a class of number in mathematics Nintendo Switch, a hybrid (home and handheld) video gaming console United States Naval Special Warfare Command, a military commando force National Socialist World, defunct neo-Nazi magazine
See also NSFW (disambiguation) (entries with for) NSV (disambiguation) (by transliteration) NWS (disambiguation)