NW may refer to: Arts and entertainment NW (novel), by Zadie Smith Nat Wolff, a singer and actor New wave music, a genre New Weekly, an Australian celebrity magazine Nintendo Wii, a video game console Geography Northwest (disambiguation), multiple articles NW postcode area, northwest London, UK Nidwalden, a canton of Switzerland North Rhine-Westphalia, the most populous state of Germany North West (South African province) Technology Nanowire, a nanostructure with a diameter on the order of a nanometer NetWare, in file and protocol names of the Novell NetWare family Nuclear warfare, the use of nuclear weapons in war An ISO-specified vacuum flange fitting (code NW) Other uses No worries, an expression Norfolk and Western Railroad, a U.S. class I railroad North Western Reporter, a US case law report series Northwest Airlines (former IATA airline code NW)