NS2

NS2 may refer to:

Transportation

 * Bukit Batok MRT station (station code: ), Singapore
 * Kinunobebashi Station (station code: ), Kawanishi, Hyōgo Prefecture, Japan
 * Tetsudō-Hakubutsukan Station (station code: ), Ōmiya-ku, Saitama, Japan
 * RAF N.S. 2, a British NS class airship
 * New Shepard 2, a Blue Origin reusable space launch vehicle booster rocket (booster #2)
 * Blue Origin NS-2, a 2015 November 23 Blue Origin suborbital spaceflight mission for the New Shepard

Software

 * ns (simulator), version ns-2, computer network simulation software
 * Natural Selection 2, a video game
 * Netscape Navigator 2, a webbrowser

Other uses

 * Antigonish (provincial electoral district), constituency N.S. 02; Nova Scotia, Canada
 * Nord Stream 2, a controversial extension to the Nord Stream gas pipeline between Russia and Germany
 * Novelty seeking level 2, impulsiveness
 * NS2 (HCV), a viral protein in the hepatitis C virus