Masaki, Ehime

 is a town located in Iyo District, Ehime Prefecture, Japan. As of April 1, 2017, the town has an estimated population of 29,904 and a density of 1,500 persons per km². The total area is 20.41 km², the smallest in the prefecture.
Education.
Masaki currently contains three elementary schools, three junior high schools and a high school.
Transportation.
Highways.
The Japan National Route 56 passes through Masaki.