Adetunji is both a given name and a surname. Notable people with the name include:
Adetunji Adeshina (born 2004), Nigerian footballer Adeoye Adetunji (born 1957), Nigerian boxer Saliu Adetunji (1928–2022), Nigerian monarch Sunday Adetunji (born 1997), Nigerian footballer Victor Adetunji Haffner (1919–2015), Nigerian communications engineer