John Dadigi (an haife shi 9 ga watan Satumba shekara ta 1950) ɗan damben Najeriya ne. Ya yi fafatawa a gasar maza da mata masu nauyi a gasar wasannin bazara ta 1968 . A wasannin Olympics na bazara na 1968, ya sha kashi a hannun Horst Rascher na Yammacin Jamus.   Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "John Dadigi Olympic Results". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020. Retrieved 8 December 2018.