G12

G12, G.12 or G-12 may be:
* G12 coolant, used in many Volkswagen and Audi vehicles
* G12 (postcode), covering most of the West End of Glasgow
* G12 Vision, a religious movement
* G12 software platform, a software platform for solving large scale industrial combinatorial optimisation problems based on the Mercury logic programming language, the Zinc modelling language and the Cadmium language for mapping models
* EMD G12, a 1950s American diesel locomotives class
* Fiat G.12, a 1941 Italian transport aircraft
* Prussian G 12, a 1917 German 2-10-0 goods train steam locomotive
* Sydvaranger G12, two 1954 and 1956 EMD G12 diesel-electric locomotivesand also :
* Late-onset cerebellar ataxia code
* Group of Twelve, a group of industrially advanced countries whose central banks co-operate to regulate international finance