Kalu Mosto Onuoha (born 17 July 1947) is a Nigerian Professor Emeritus of Geology.
He attended Lorànd Eötvös University in Budapest, Hungary, where he majored in geophysics, obtaining the PhD degree (summa cum laude) in 1978.
Onuoha excelled in his lecturing job at UNN, rising to the position of head of the department (HOD) of geology in 1987.
He is a member of the American Association of Petroleum Geologists (AAPG), and also of the Society of Exploration Geophysicists (SEG).
Several of his students excelled in their careers with many of them rising to top positions in the oil and gas industry while some of those in academic rose to the rank of professors in different universities within and outside Nigeria In 1991, he was appointed Chair of Petroleum Geology, at the University of Calabar, becoming the first Professor at the Mobil Producing Nigeria (subsidiary of ExxonMobil) from 1991 to 1992.