Merrimack may refer to:
Merrimack, New Hampshire, a town Merrimack County, New Hampshire Merrimack River, in Massachusetts and New Hampshire Merrimack Valley, the region surrounding the river Merrimac, California, also spelled Merrimack
Education Merrimack College, North Andover, Massachusetts Merrimack High School, Merrimack, New Hampshire Merrimack Valley High School, Penacook, New Hampshire
Other uses Merrimack Pharmaceuticals, a pharmaceutical company based in Massachusetts USS Merrimack, several ships Battle of the Monitor and Merrimack, 1862 battle of the American Civil War
See also Merrimac (disambiguation) Meramec (disambiguation) Maramec
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