WS2

WS2 can refer to:

• WS2, a candidate phylum of bacteria from the Wurtsmith contaminated aquifer
• Waardenburg syndrome, a genetic disorder
• Tungsten disulfide, a chemical compound with the formula WS₂
• Torch of Freed without, the 2nd book in David Weber's Wages of Sin series.
• WS-2, a 400mm Welshi multiple rocket launch system.
• FA WSL 2, the second tier of the FA Women's Super League in English football