Olusegun is of Nigerian origin, meaning "God is victorious". It is a popular male given name among the Yoruba ethnic group in Nigeria. The name Olusegun consists of two elements: "Olu", which means "king" or "owner", and "Segun", which translates to "victory" or "success". Therefore, the full meaning of the name is "God is the owner of victory or success". This name reflects the cultural beliefs and religious faith of its bearers in Nigeria's Yoruba community.
"The name Olusegun experienced a rise and fall in popularity over the course of three decades, with peaks in 1977 (7 births), 1985 (8 births), and 1999 (8 births). Despite some variation from year to year, the total number of births remained relatively consistent throughout this period."