| Erastus Mwencha | |
| Birth Date: | 15 November 1947 |
| Birth Place: | Kisii, Kenya |
| Alma Mater: | University of Nairobi York University |
Erastus J.O. Mwencha (November 15, 1947) is a Kenyan businessman who served as a Secretary-General of the Common Market for Eastern and Southern Africa and former Deputy Chairperson of the African Union Commission, to which he was elected on February 6, 2008. On January 30, 2017, he was succeeded as Deputy Chairperson of the AU Commission by Ghana diplomat Thomas Kwasi Quartey.[1]
He is married with three children.