Ibrahim Khalil Umar was a Nigerian scientist and university administrator.

in physics and mathematics from Ahmadu Bello University in Zaria, Nigeria, a M.Sc.

[4] Between 1994 and 1997, Umar served as Sole Administrator of the Federal University of Technology, Minna.

He served as Chairman of the Board of Governors of the International Atomic Energy Agency from 2000 to 2001.

[7] On 30 January 2023 his son Faruk Ibrahim Umar announced his death.