Saint-Aubin-de-Médoc (French pronunciation: [sɛ̃.t‿obɛ̃ də medɔk], lit.

"Saint Aubin of Médoc"; Occitan: Sent Aubin de Medòc) is a commune in the Gironde department in the Nouvelle-Aquitaine region in Southwestern France.

Part of Bordeaux Métropole, it is located northwest of Bordeaux.