Ojinaga Municipality (formally: Manuel Ojinaga ) is one of the 67 municipalities of Chihuahua, in northern Mexico.

The municipal seat lies at Ojinaga, a rural bordertown on the U.S.-Mexico border.

The municipality has an area of 9,500.50 km2 (3,668.16 sq mi).

Ojinaga, named after Juarista governor Manuel Ojinaga, reported a 2010 census population of 22,744 people in the town, which serves as municipal seat of the municipality of 26,304 inhabitants.

[1] The municipality includes numerous very small outlying communities, the largest of which are El Oasis and Nueva Holanda.