Olya is a diminutive form of the first name Olga.

Olya may also refer to:

• Olya Dubatova, Russian artist
• Olya Ivanisevic, Serbian fashion model
• Olya Kroytor, Russian artist
• Olya Polyakova, Ukrainian entertainer
• Olya Smeshlivaya, Russian snowboarder
• Olya Viglione, Russian musician
• Olya Zueva, actress and film director based in New York, USA
• Hasan Anami Olya, Iranian opera singer

• Olya, Russia, a rural locality (a selo) in Astrakhan Oblast, Russia
• Olya, Iran (disambiguation), several places in Iran
• Olya, meaning "Upper", a common element in Iranian place names; see All pages with titles containing Olya
• "Olya", a song by the Ukrainian hard rock band Vopli Vidopliassova

• Olia (disambiguation)
• Olja, an alternate spelling