Gabat (; ) is a commune in the Pyrénées-Atlantiques department in south-western France.
It is located in the former province of Lower Navarre, in the Pyrenees. The local dialect is western bas-navarrais. Inhabitants are called Gabardiars.
Historically attested name (form)s are Gabat (1125), Sancta Maria de Bagad / Bagadh (1160), Gavat (12th century cartulary of Sorde), Bagat (1203), Gavat (1268), Gabat (1316 & 1413) and Nostre-Done de Gabat (1472, notaries of Labastide-Villefranche).