ZRS may refer to:
Organisations edit
- Union of the Workers of Slovakia (Slovak: Združenie robotníkov Slovenska), a political party
- Republike Srpske Railways (Serbian: Željeznice Republike Srpske), a rail operator in Bosnia and Herzegovina
- Association of Radio Amateurs of Slovenia (Slovene: Zveza radioamaterjev Slovenije), a non-profit
Military edit
- A US Navy hull classification symbol: Rigid airship scout (ZRS)