Babatunde "Tunde" Idiagbon (14 September 1942 – 24 March 1999) was a Nigerian army officer and a one-time member of the Nigerian military juntas of 1966–1979 and 1983-1998 Nigerian military junta which ruled that country. He served as a military administrator of Borno State in the 1970s in the military administration of Olusegun Obasanjo. Following the ouster of the civilian administration of Shehu Shagari at the end of 1983, he rose to become the Chief of Staff, Supreme Headquarters and defacto Vice President in the military administration of Muhammadu Buhari.