Machina (also known as Matsena) is a Local Government Area in Yobe State, Nigeria. Its headquarters are in the town of Machina at 13°08′11″N 10°02′57″E.

It shares a border in the north with The Republic of Niger.

It has an area of 1,213 km2 and a population of 61,606 at the 2006 census.

The postal code of the area is 630.