Massachusetts House of Representatives' 15th Middlesex district in the United States is one of 160 legislative districts included in the lower house of the Massachusetts General Court.
It covers part of Middlesex County.
[1] Democrat Michelle Ciccolo of Lexington has represented the district since 2019.
[2] The district includes the following localities:[3] The current district geographic boundary overlaps with those of the Massachusetts Senate's 3rd Middlesex and 4th Middlesex districts.
[4] The district previously covered: