S12
S12 or S 12 stands for:
- S12 (Paralympics) , a starter class of swimmers in Paralympic sports
- System 12 or later also Alcatel S12 , a digital switching system
- Droga ekspresowa S12 , an expressway in Poland
- Namco System 12 , an arcade system board
- Line S 12 of the Cologne Horrem S-Bahn via Cologne Central Station to Au (Sieg)
- Alsace-Lorraine S 12 , a series of express train locomotives for the Reichseisenbahnen in Alsace-Lorraine built from 1908
- Stemme S12 , a motorized glider
