Loriol-sur-Drôme (French pronunciation: [lɔʁjɔl syʁ dʁom], literally Loriol on Drôme; Vivaro-Alpine: L’Auriòu de Droma) is a commune in the Drôme department in southeastern France.
Loriol is situated in the Rhône valley, between Valence and Montélimar. The neighbouring villages are Livron-sur-Drôme, Mirmande, and Cliousclat.