Main River (disambiguation)

Main River, more commonly simply Main, is a river in Germany.

Main River, may also refer to:
 * Main River (Chukotka), a river in far Eastern Siberia.
 * Main River (Newfoundland), a river in Newfoundland, Canada.
 * River Main (County Antrim), a river in Northern Ireland.

Legislative

 * Main river, a statutory designation of larger watercourses in England and Wales.