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, throughout the network's history.
TG4 (Irish: TG Ceathair; pronounced [tʲeː ɟeː ˈcahəɾʲ] or [tiː d͡ʒiː ˈcahəɾʲ]) is an Irish public service broadcaster for Irish-language speakers.
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.
TG1 (TeleGiornale 1) is the brand for Italian state-owned TV channel Rai 1's news programmes. They are shown domestically on Rai 1 and across the world on Raitalia, several times throughout the day.
TG2 (TeleGiornale 2) is the brand for the news programmes of Rai 2, the Italian state-owned television channel.