TG or Tg may stand for:
The TGV (French: Train à Grande Vitesse, "high-speed train") is France's intercity high-speed rail service, operated by the SNCF, the state-owned national rail operator.
TGIF is the name of an American prime time television programming block that has aired on ABC at various points since the late 1980s.
TG4 (Irish: TG Ceathair; pronounced [tʲeː ɟeː ˈcahəɾʲ] or [tiː d͡ʒiː ˈcahəɾʲ]) is an Irish free-to-air television channel for Irish-language speakers.
TGI Fridays (formerly stylized as T.G.I. FRiDAY’S) is an American restaurant chain focusing on casual dining.
The transforming growth factor beta (TGFB) signaling pathway is involved in many cellular processes in both the adult organism and the developing embryo including cell growth, cell differentiation, apoptosis, cellular homeostasis and other cellular functions.
The TGV (Train à Grande Vitesse, French for "High-Speed Train") holds a series of land speed records for rail vehicles achieved by SNCF, the French national railway, and its industrial partners.
Transforming growth factor beta 1 or TGF-β1 is a polypeptide member of the transforming growth factor beta superfamily of cytokines.
Transforming growth factor alpha (TGF-α) is a protein that in humans is encoded by the TGFA gene. As a member of the epidermal growth factor (EGF) family, TGF-α is a mitogenic polypeptide.
TGC (abbreviated from The Green Children) are a European musical duo, who write and self-produce atmospheric electropop music.