Branchial may refer to:
Branchial apparatus, an embryological structure. Branchial arch a series of bony "loops" present in fish, which support the gills. Branchial artery, also known as aortic arches. Branchial cleft Branchial cleft cyst, failure of obliteration of the second branchial cleft in embryonic development. Branchial efferent, also known as special visceral efferent. Branchial heart Branchial membrane Branchial plexus Branchial pouches, also known as pharyngeal pouches. First and second branchial arch syndrome, also known as hemifacial microsomia. Ultimo-branchial bodies, also known as ultimopharyngeal body.