Abdul Ganiyu Agbaje is a retired justice of the Nigeria Supreme Court. Agbaje was born in 1925 to the family of Salami Agbaje, a wealthy merchant based in Ibadan. He was born into a polygynous family, his mother Lamulati Faderera was the fourth wife of Salami Agbaje. Some of his brothers went on to make a name for themselves in Ibadan and Nigeria. Saka Agbaje was a U.K. trained doctor, the first western trained doctor from Ibadan and who established Alafia Hospital in Ibadan, while a second son, Mojeed was a political associate of Adegoke Adelabu. Agbaje was briefly educated at Ibadan Grammar School like many of his older siblings, but later transferred to Igbobi College to complete secondary education. Agbaje later traveled abroad for further studies, earning a bachelor of commerce degree