Onwuka Kalu (Mee 24, 1954 na Abiriba, Abia State, Naijiria ruo 23 Febrụwarị 2015 na Edgware, London, England) bụ onye ọchụnta ego si Naịjirịa hibere Onwuka Hi-Tek bụ ebe gbasara nrụpụta n'Aba nke e mechara kwuo na Nigeria Stock Exchang mechara dala azụ mgbe Kalu na gọọmentị Naịjirịa were nghọtaghị. Ọ bụ onye nkwalite ihe arụpụtara na Naịjirịa ma na akwado ngwaahịa arụpụtara na Aba ma bụrụkwa onye so na n'iwu ngalaba Fidelity Union Merchant Bank . A mụrụ Kalu na Abiriba, Abia State nye nne na nna nwere ezigbo ego. Ọ malitere ọrụ na otu Chika Group nke West Africa na Togo na Benin Republic o sitere na ebe a mepụta nkà Azụmahịa ya. Ụlọ ọrụ ahụ bụ ebumnuche ahịa na-elekwasị anya na mbubata ngwaahịa dịka uwe eyierala ma Kalu malitere dị ka nwa ụlọ tupu ọ ghọọ odeakwụkwọ ma mesịa na-achịkwa nkewa mbubata. O hiwekwara ụlọ ọrụ nke ya, bụ Onwuka Interbiz site na obere mkpachata ego si na n'ọrụ ya iji zụọ ahịa textiles ndị Japan. N’afọ 1977, ọ laghachiri Naịjirịa hiwe ụlọ ọrụ, Nails na General Steel Manufacturing Industry Ltd iji mepụta ntu.