NKS

NKS may refer to:
 * US Spirit Airlines, ICAO code
 * Norwegian Women's Public Health Association (Norske Kvinners Sanitetsforening)
 * NKS Nysa, later Stal Nysa, a Polish volleyball team
 * A New Kind of Science, a 2002 book by Stephen Wolfram
 * Native Kontrol Standard software, for Native Instruments music hardware