Olutayo Aderinokunpronunciationⓘ (May 8, 1955 – June 14, 2011) was a Nigerian entrepreneur who until his death was the CEO of Guaranty Trust Bank.

[1][2] He was also a recipient of the Member of the Federal Republic, one of Nigeria's prestigious national awards.

During the beginning of the Nigerian Civil War, his family relocated to Lagos where he attended Surulere Baptist School from 1966 to 1967, St. Peter's College, Abeokuta, from 1968 to 1972 and St. Gregory's Boys College, Lagos from 1973 to 1974.

He proceeded to obtain a bachelor's degree in Business Administration from the University of Lagos, and much later, an MBA in International Business from the Graduate School of Management, University of California, Los Angeles in 1981.

[4] Tayo Aderinokun co-founded Guaranty Trust Bank Plc in 1990 alongside Fola Adeola and served as Deputy Managing Director for 12 years between 1990 and 2002.