Onay is a Turkish surname. Notable people with the surname include:
Onay is a commune in the Haute-Saône department in the region of Franche-Comté in eastern France.
It is located 12 km south east of Gray, 60 km east of Dijon and 40 km north west of Besançon, on the route D177.
Onay is within the prefecture of Vesoul and the sub-prefecture of Lure.
Onay is a commune in the Haute-Saône department in the region of Franche-Comté in eastern France.
Onay may also refer to: