Arochukwu Local Government Area, sometimes referred to as Arochuku or Aro Oke-Igbo, is the third largest local government area in Abia State (after Aba and Umuahia) in southeastern Nigeria and homeland of the Igbo subgroup, Aro people.

It is composed of five clans namely Abam, Aro, Ihechiowa, Ututu and Isu. Arochukwu is a principal historic town in Igbo land. It was also one of the cities in the Southern protectorate targeted by the British colonial government. Several historic tourist sites exist in the city. The mystic Ibini Ukpabi shrine, the slave routes and other relics of the slave trade era are frequently visited by tourists. It is also in the food belt of Abia state where most of the staple foods are produced.