S/S

S/S may refer to:

• A Ship prefix that identifies a vessel as steam powered
  • A common naming prefix for any Merchant vessel
• S/S, a medical abbreviation for Signs and symptoms
• In clothing, refers to short-sleeved (as opposed to L/S (long-sleeved))
• Solidification / Stabilization (S/S) with Cement, a method of management and reuse of contaminated waste.