Kaga is a Local Government Area of Borno State, Nigeria. Its headquarters are in the town of Benisheikh.
It has an area of 2,700 km2 and a population of 90,015 at the 2006 census.
The postal code of the area is 601.
It is one of the sixteen LGAs that constitute the Borno Emirate, a traditional state located in Borno State, Nigeria