Massachusetts House of Representatives' 4th Hampden district

Massachusetts House of Representatives' 4th Hampden district in the United States is one of 160 legislative districts included in the lower house of the Massachusetts General Court. It covers the city of Westfield in Hampden County. Democrat John Velis of Westfield represented the district from 2014 to 2020. Candidates for this district seat in the 2020 Massachusetts general election include Independent Conservative Dan Allie, Democrat Matt Garlo, and Republican Kelly Pease.

The current district geographic boundary overlaps with that of the Massachusetts Senate's 2nd Hampden and Hampshire district.