Simga is a town and a nagar panchayat in the Baloda Bazar District in the Indian state of Chhattisgarh. It is between Raipur and Bilaspur on the NH 130.

Simga is located at 21°38′N 81°42′E / 21.63°N 81.7°E / 21.63; 81.7. It has an average elevation of 262 metres (859 feet).

As of the 2011 India census, Simga had a population of 16,027. Males constitute 50% of the population and females 50%. Simga has an average literacy rate of 78.53%, higher than the national average of 70.28%: male literacy is 87.77%, and female literacy is 69.41%. In Simga, 15.16% of the population is under 6 years of age.