Olusegun (sometimes spelled as Oluwasegun or its diminutive form, Segun) is a name of Yoruba origin for males, meaning "God is Victorious".
Notable people with the name include:
Akinsola Olusegun Faluyi, (born 1934), Nigerian engineer
Olusegun Obasanjo, (born 1937), Nigerian military personnel and politician
Olusegun Osoba, (born 1939), Nigerian journalist and politician
Harold Olusegun Demuren, (born 1945), Nigerian engineer
Olusegun Adewoye, (born 1947 - died 2015), Nigerian engineer and academic
Segun Odegbami, (born 1952), Nigerian footballer
Olusegun Oni, (born 1954), Nigerian politician
Olusegun Olutoyin Aganga, (born 1955), Nigerian politician
Henry Olusegun Adeola Samuel, (born, 1963), British singer
Segun Arinze, (born, 1965), Nigerian actor
Oluwasegun Abiodun, (born 1984), Nigerian footballer
Babatunde Oluwasegun Temitope Oluwakorede Adisa "Baba" Oshinowo, (born 1983), American football player
Oluwasegun Makinde, (born 1991), Nigerian-Canadian athlete