Marovoay is a district in northwestern Madagascar.

It is a part of Boeny Region and borders the districts of Mahajanga II in north, Boriziny and Mampikony in east, Ambato-Boeni in south and Mitsinjo in west.

The area is 3,804 km2 (1,469 sq mi) and the population was estimated to be 182,742 in 2013.

[1] The district is further divided into 12 communes: The Betsiboka River.

This Boeny location article is a stub.