2S
# 2S

2S may refer to:

* 2S gondola lift
* A series of Toyota S engines
* Birdman Chinook 2S, ultralight aircraft
* 2s electron in an atomic orbital
* 2S, a protein-folding intermediate with two disulphide bonds
* Two-spirit, a term used by some indigenous North Americans to describe certain people in their communities who fulfill a traditional third-gender (or other gender-variant) ceremonial role in their cultures
* IIS, a draft status abbreviation for conscription into the United States armed forces.
