NS1 or variants may refer to:
Rail stations Jurong East MRT station, Singapore, station code NS1 Kawanishi-Noseguchi Station, Kawanishi, Japan, station code NS01 Ōmiya Station (Saitama), Japan, station code NS01
Aerospace NS1, a British NS class airship Spartan NS-1, US military trainer biplane Stearman NS-1, US military trainer biplane New Shepard 1, a reusable sub-orbital launch vehicle
Other uses NS1 influenza protein NS1 antigen test, for dengue Novelty seeking level 1, exploratory excitability ns (simulator) version ns-1, computer network simulation software
See also NSI (disambiguation) NSL (disambiguation) NS (disambiguation) 1 (disambiguation)