WS1

WS1 can refer to:


 * Waardenburg syndrome, a genetic disorder
 * Crown of Slaves, the 1st book in David Weber's Wages of Sin series.
 * WS-1, (Weishi Rockets-1) a 302mm self-propelled multiple rocket launcher
 * FA WSL 1, the top tier of the FA Women's Super League in English football
 * WS1, a candidate phylum of bacteria
 * Ampere WS-1, a short-lived laptop manufactured in Japan