Singa (Arabic: سنجة) is a town located in the Sennar State of Sudan at an elevation of 439 meters (1,440 feet) above sea level. The town is situated on the west bank of the Blue Nile at a distance of 360 kilometers (220 miles) to the southeast of the capital, Khartoum, and 60 kilometers from Sennar city. Its population was recorded to be 259,000 in 2002.

Singa is notable for the archaeological discovery of an old human fossil, the 'Singa Skull' which was discovered in Singa in 1924 by the British governor of Blue Nile Province. The skull is about 160,000 years old and belongs to the Stone Age, Pleistocene Age. It coincided with the Neanderthals and the Peking man. Currently, the skull is displayed at the British Museum in London.