Onicha Olona town is a town in Aniocha North, local government area of Delta State, Nigeria. It is a semi-urban community located about 35km northwest of the Delta State capital, Asaba, and approximately 13km North of Issele-Uku town, the headquarters of Aniocha-North LGA.
Onicha Olona is predominantly a Catholic and Anglican community. The traditional religion has lost most of its adherents to Christianity.
It is the epicenter of Ekumeku War