HZS

HZS may refer to:


 * Antwerp Maritime Academy (Dutch: Hogere Zeevaartschool Antwerpen)
 * Henry Z. Steinway (1915–2008), American piano maker
 * Honolulu Zoo Society
 * Ice Hockey Federation of Slovenia (Slovene: Hokejska zveza Slovenije)
 * Mountain Rescue Service (Slovakia) (Slovak: Horská záchranná služb)
 * Hangzhou Spark Team in the Overwatch League