Swn

Swn or SWN can mean:
 * Something With Numbers, Australian Band
 * Sŵn, a festival
 * Southwestern Energy, based on its ticker symbol on the New York Stock Exchange
 * Single-Walled Nanotubes
 * ICAO designator of the Swedish cargo airline West Air Sweden (or West Atlantic).
 * Socialist Workers Network, Irish Trotskyist organisation