Igwe Kenneth Onyeneke Orizu III (born 1925) is the 20th Obi of Otolo and Igwe of Nnewi kingdom. He is the traditional supreme ruler and spiritual leader in Nnewi, an Igbo city in Nigeria. He is a member of the Nnofo Royal lineage and the successor to his father Igwe Josiah Orizu II, his grandfather Igwe Orizu I, and great-grandfather Igwe Iwuchukwu Ezeifekaibeya. Unlike most Igbo monarchies, there were kings of Nnewi before the arrival of Europeans. In Anambra State, Igwe Kenneth Orizu III is the vice chairman of the Anambra State House of Chiefs and as of 2015^[update] the longest-serving monarch in Nigeria.

Igwe Kenneth was educated at Hope Waddell College, Calabar and completed his education at New Bethel College, Onitsha in 1942. Before his enthronement, Kenneth worked as a Representative of the then Eastern Nigerian Outlook Group of newspapers, in the defunct Eastern Region of Nigeria and later moved to Asaba as the Commercial Manager for Mid-Western Region.. He was also a businessman in Kano.

Igwe Orizu II was instrumental in the clearing of the Agbo Edo forest. His Uncle, Prince Nwafor Orizu was Nigeria's first republic senate President and his grandfather, Igwe Orizu I (Eze Ugbonyamba) was the first Igbo man to own and drive a car in the entire Eastern Region. The Ofala Nnewi is a cultural festival held every year to celebrate the coronation of the Igwe of Nnewi.

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