Iya may refer to:
People Iya Abubakar, Nigerian politician Iya Arepina, Russian actress Iya Kiva (b. 1984), Ukrainian poet, translator, journalist, critic Iya Nacuaa Teyusi Ñaña, Mixtec ruler Iya Savvina, Soviet actress Iya Villania, Australian actress
Places Iya, Iran, a village in East Azerbaijan Province, Iran Mount Iya, volcano in Indonesia Iya (river), river in Irkutsk Oblast in Russia Iya Station, railway station in Japan Iya Valley, valley in Japan
Other uses Iya (mythology) in Lakota mythology Iyayu language, ISO 639-3 code "iya" Iya, the term in the Edo language for the Benin Moat
IYA may refer to: International Year of Astronomy (IYA2009)