FFAR3 is a gene encoding a protein named Free fatty acid receptor 3 (FFA3) in humans. Diseases associated with FFAR3 include Diversion Colitis and Gastrojejunal Ulcer. Among its related pathways are Free fatty acid receptors and RET signaling. Gene Ontology (GO) annotations related to this gene include G protein-coupled receptor activity and lipid binding. An important paralog of this gene is GPR42.