Middlesex (disambiguation)

Middlesex is a former county in southeast England.

 Places 
Belize

Middlesex, Belize, a village in Stann Creek District, Belize

Canada

Middlesex County, Ontario

Jamaica

Middlesex County, Jamaica

United Kingdom

Middlesex County Cricket Club
Middlesex University
Middlesex (UK Parliament constituency)

United States

Middlesex, New Jersey
Middlesex, New York
Middlesex, North Carolina
Middlesex, Vermont
Middlesex Township, Butler County, Pennsylvania
Middlesex Township, Cumberland County, Pennsylvania
Middlesex School, Concord, Massachusetts
Middlesex Canal, Massachusetts
Middlesex County, Connecticut
Middlesex County, Massachusetts
Middlesex County, New Jersey
Middlesex County, Virginia