Adelakun is both a surname and a given name of Yoruba origin, meaning we painted "crown/royalty". Notable people with the name include:
Abimbola Adelakun, Nigerian writer Hakeeb Adelakun (born 1996), English footballer Joseph Adebayo Adelakun (born 1949), Nigerian gospel singer, songwriter and televangelist Adelakun Howells (1905–1963), Nigerian Anglican bishop Femi Adelakun, Nigerian city planner and location intelligence expert Engr kolade Adelakun (Retired) Assistant General Manager of Transmission company of Nigeria, Osogbo Sub-region