FG, fg, or Fg may refer to:
Heparin-binding growth factor 1 is a protein that in humans is encoded by the FGF1 gene.
Fibroblast growth factor receptor oncogene partner 2 (FGFR1OP2) was identified in a study on myeloproliferative syndrome (EMS).
Fgura (Maltese: Il-Fgura, Italian: Figura) is a town in the South Eastern Region of Malta. It has a population of 11,670 as of March 2014.
Fibroblast growth factor 21 is a protein that in mammals is encoded by the FGF21 gene. The protein encoded by this gene is a member of the fibroblast growth factor (FGF) family and specifically a member of the endocrine subfamily which includes FGF23 and FGF15/19.
FG syndrome (FGS; also known as Opitz–Kaveggia syndrome) is a rare genetic syndrome caused by one or more recessive genes located on the X chromosome and causing physical anomalies and developmental delays.
Glia-activating factor is a protein that in humans is encoded by the FGF9 gene.
Fibrinogen-like protein 2, also known as FGL2, is a protein which in humans is encoded by the FGL2 gene.