Incumbent: Lori Trahan · Democrat
Lori Trahan (Democratic Party) is a member of the U.S. House, representing Massachusetts' 3rd Congressional District. She assumed office on January 3, 2019. Her current term ends on January 3, 2027. Trahan (Democratic Party) is running for re-election to the U.S. House to represent Massachusetts' 3rd Congressional District. She declared candidacy for the Democratic primary scheduled on September 1, 2026.
Gary Grossi (Republican Party) is running for election to the U.S. House to represent Massachusetts' 3rd Congressional District. He declared candidacy for the Republican primary scheduled on September 1, 2026.
Kevin Ades (unenrolled) is running for election to the U.S. House to represent Massachusetts' 3rd Congressional District. He declared candidacy for the general election scheduled on November 3, 2026.
Gaige Clark (Democratic Party) is running for election to the U.S. House to represent Massachusetts' 3rd Congressional District. Clark declared candidacy for the Democratic primary scheduled on September 1, 2026.
Dean Tran (Republican Party) was a member of the Massachusetts State Senate, representing Worcester and Middlesex District. He assumed office on December 20, 2017. He left office on January 6, 2021. Tran (Republican Party) ran for election to the U.S. House to represent Massachusetts' 3rd Congressional District. He lost in the general election on November 8, 2022.
