GABA<sub>A</sub> receptor-ó3, also known as GABRG3, is a protein which in humans is encoded by the GABRG3 gene.
GABRG3 is a subunit of the GABA<sub>A</sub> receptor for the neurotransmitter gamma-Aminobutyric acid (GABA).
Genetic markers near the GABRG3 gene are statistically linked to alcoholism.