Gaafar Muhammad an-Nimeiry (otherwise known as Jaafar Nimeiry, Gaafar Nimeiry or Ga'far Muhammad an-Numayri; born January 1, 1930) was a Sudanese dictator and political figure. He served as the President of Sudan from 25 May 1969 until he was overthrown on 6 April 1985.

After spending several years in exile in Egypt, Nimeiri returned to Sudan in 1999.

Nimeiry was born in Wad Nubawi , in the city of Omdurman.