TGF

TGF may refer to:

Medicine

 * Tubuloglomerular feedback, a reflex of the nephrons in the kidney
 * Transforming growth factor, either of two classes of polypeptide growth factors (TGF-α and TGF-β)

Science

 * Terrestrial gamma-ray flash, a burst of gamma rays produced in the Earth's atmosphere, generally associated with lightning
 * Tidal Generating Force, an effect of gravity responsible for creating tides
 * Trivial Graph Format, a text-based file format for describing graphs

Entertainment

 * The Games Factory, video game development software created by Clickteam
 * The Gracious Few, an American rock group from York, Pennsylvania
 * TGFbro, British YouTube duo

Other

 * Chali language, by ISO 639 code