NS21

NS21, NS 21, NS-21, NS.21, or variation, may refer to:

Places

 * Newton MRT station (station code: ), Newton, Singapore; a mass transit station
 * Nissei-chuo Station (station code: ), Inagawa, Hyōgo, Japan; a train station
 * Eastern Shore (electoral district) (constituency N.S. 21), Nova Scotia, Canada; a provincial electoral district

Other uses

 * New Penguin Shakespeare volume 21
 * Blue Origin NS-21, a suborbital spaceflight using the New Shepard rocket