Kayaönü is a Turkishplace name and it may refer to:

Kayaönü, Adıyaman a village in Adıyaman (central) district of Adıyaman Province Kayaönü, Palu a village in Palu district of Elazığ Province Kayaönü, Ermenek a village in Ermenek district of Karaman Province Kayaönü, Mut a village in Mut district of Mersin Province