Abayomi Gabriel Olonisakin CFR psc(+) GSS CMH fwc (born 2 December 1961) is a retired Nigerian army general, former Chief of Defence Staff, and current Nigerian Ambassador to the Republic of Cameroon. He was appointed to the position of Chief of Defense Staff on 13 July 2015 by President Muhammadu Buhari. He resigned from office on 26 January 2021.