YAG

YAG, YaG, Yağ, or yag can refer to:


 * Yttrium aluminium garnet, a synthetic crystalline material made of yttrium, aluminum, and oxygen
 * Fort Frances Municipal Airport, an airport near Fort Frances, Ontario, Canada, by IATA code
 * YMCA Youth and Government, a program run by the YMCA that allows youth to serve in model governments
 * Yahgan language, a language spoken in Chile and Argentina, by ISO 639 code
 * Cansu Yağ (born 1990), a women's football midfield player from Turkey
 * YAG training vessel, a series of wooden boats built for the Royal Canadian Navy from 1954 to 1955
 * A US Navy hull classification symbol: District auxiliary, miscellaneous (YAG)