Gat or GAT may refer to:
Places Gat, Iran, a village in Khuzestan Province, Iran Gat, Israel, a kibbutz in Israel Gat Rimon, a moshav in Israel Gát utca, a street in Ferencváros, Budapest, Hungary Gath (city), or Gat, an ancient Philistine city Fisherman's Gat, a channel in the Thames Estuary Kiryat Gat, a city in Israel Veerse Gat, a sea channel in Zeeland, Netherlands Hat, Azerbaijan, or Gat Gat, Croatia, a village near Belišće
People Gat Stires (1849–1933), a Major League Baseball right fielder Gat (surname)
Arts and Culture Gat (hat), a traditional Korean hat Gat (music), a Hindustani classical composition GAT (group), a Filipino pop boy band Johnny Gat, a character from the Saints Row video game series Gat (title), a pre-colonial Filipino honorific
Education General Achievement Test, a standardized school test in Victoria, Australia Graduate Assessment Test, for university programs in Pakistan Global Academy of Technology, Bangalore, India
Science and Technology Biology/Chemistry GABA transporter (e.g., GAT1), a protein C7.GAT protein, a synthetic antibody Glycine N-phenylacetyltransferase, an enzyme Galactoside acetyltransferase, an enzyme Aspartic acid (codon: GAT), an amino acid Khat (or gat), a stimulant plant
Engineering Gat air pistol, a British airgun (1930s–1990s) Gat, slang for a firearm
Computer Science Generic Associated Types, a feature of the Rust programming language
Geography Gat (landform), a strait eroded by currents
Language Kenati language (ISO 639-3 code: gat)
See also GATT