The Bahumono are a southeastern Nigerian ethnic group that primarily resides in the Abi local government area of Cross River State. They are the largest ethnic group in the region.

Cross River State is a state in the South-South geopolitical zone of Nigeria. Named for the Cross River, the state was formed from the eastern part of the Eastern Region on 27 May 1967. Its capital is Calabar, it borders to the north through Benue state, to the west through Ebonyi state and Abia state, and to the southwest through Akwa Ibom state, while its eastern border forms part of the national border with Cameroon. Originally known as the South-Eastern State before being renamed in 1976, Cross River state formerly included the area that is now Akwa Ibom state, which became a distinct state in 1987.