| House: Barnstable, Dukes and Nantucket District | 1 | Thomas W. Moakley (Democratic, incumbent) |
| House: Eighteenth Essex District | 1 | Connor A. Murray (Democratic) · Christopher C. Shepley (Republican) |
| House: Eighteenth Middlesex District | 1 | Tara Hong (Democratic, incumbent) |
| House: Eighteenth Suffolk District | 1 | Michael J. Moran (Democratic, incumbent) |
| House: Eighteenth Worcester District | 1 | Jenifer Heck (Democratic) · Joseph D. McKenna (Republican, incumbent) |
| House: Eighth Bristol District | 1 | Jesse W. St. Gelais (Republican) · Steven J. Ouellette (Democratic, incumbent) |
| House: Eighth Essex District | 1 | Jennifer WB Armini (Democratic, incumbent) |
| House: Eighth Hampden District | 1 | Shirley Arriaga (Democratic, incumbent) |
| House: Eighth Middlesex District | 1 | James C. Arena-DeRosa (Democratic, incumbent) |
| House: Eighth Norfolk District | 1 | Ted Philips (Democratic, incumbent) |
| House: Eighth Plymouth District | 1 | Dennis C. Gallagher (Democratic, incumbent) · John Edward Norris (Republican) |
| House: Eighth Suffolk District | 1 | Jay D. Livingstone (Democratic, incumbent) |
| House: Eighth Worcester District | 1 | Michael J. Soter (Republican, incumbent) |
| House: Eleventh Bristol District | 1 | Christopher M. Hendricks (Democratic, incumbent) |
| House: Eleventh Essex District | 1 | Sean Daniel Reid (Democratic, incumbent) |
| House: Eleventh Hampden District | 1 | Bud L. Williams (Democratic, incumbent) |
| House: Eleventh Middlesex District | 1 | Amy Mah Sangiolo (Democratic, incumbent) |
| House: Eleventh Norfolk District | 1 | Paul McMurtry (Democratic, incumbent) |
| House: Eleventh Plymouth District | 1 | Rita A. Mendes (Democratic, incumbent) |
| House: Eleventh Suffolk District | 1 | Judith Garcia (Democratic, incumbent) |
| House: Eleventh Worcester District | 1 | Hannah Elizabeth Kane (Republican, incumbent) |
| House: Fifteenth Essex District | 1 | Ryan M. Hamilton (Democratic, incumbent) · Ronald L. Heiseler III (Republican) |
| House: Fifteenth Middlesex District | 1 | Michelle Ciccolo (Democratic, incumbent) |
| House: Fifteenth Norfolk District | 1 | Tommy Vitolo (Democratic, incumbent) |
| House: Fifteenth Suffolk District | 1 | Samantha Montaño (Democratic, incumbent) |
| House: Fifteenth Worcester District | 1 | Mary S. Keefe (Not listed, incumbent) |
| House: Fifth Barnstable District | 1 | Steven G. Xiarhos (Not listed, incumbent) |
| House: Fifth Bristol District | 1 | Jamison D. Souza (Democratic) · Justin E. Thurber (Republican, incumbent) |
| House: Fifth Essex District | 1 | Christina Delisio (Republican) · Gil Frieden (Transparency Inclusion Environment) · Andrew Francis Robert Tarr (Democratic, incumbent) |
| House: Fifth Hampden District | 1 | Patricia A. Duffy (Democratic, incumbent) · Jose Ramon Candelario Gonzalez (Independent) |
| House: Fifth Middlesex District | 1 | Luisa A. Cestari (Republican) · David Paul Linsky (Democratic, incumbent) |
| House: Fifth Norfolk District | 1 | Mark J. Cusack (Democratic, incumbent) · Stephen M. Foley (Unenrolled) |
| House: Fifth Plymouth District | 1 | Lori Childs (Democratic) · David F. DeCoste (Republican, incumbent) |
| House: Fifth Suffolk District | 1 | Christopher J. Worrell (Democratic, incumbent) |
| House: Fifth Worcester District | 1 | Donald Roger Berthiaume Jr. (Republican, incumbent) |
| House: First Barnstable District | 1 | Joe B. Glynn (Gulf War Veteran) · Christopher Lambton (Democratic) |
| House: First Berkshire District | 1 | John Barrett III (Democratic, incumbent) |
| House: First Bristol District | 1 | Michael Chaisson (Republican, incumbent) |
| House: First Essex District | 1 | Dawne Frances Shand (Democratic, incumbent) |
| House: First Franklin District | 1 | Amy E. Lavallee (Unenrolled) · Lora L. Wondolowski (Democratic) |
| House: First Hampden District | 1 | Todd M. Smola (Republican, incumbent) |
| House: First Hampshire District | 1 | Lindsay N. Sabadosa (Democratic, incumbent) |
| House: First Middlesex District | 1 | Christopher M. Lyons (Republican) · Margaret R. Scarsdale (Democratic, incumbent) |
| House: First Norfolk District | 1 | Bruce J. Ayers (Democratic, incumbent) |
| House: First Plymouth District | 1 | Michelle L. Badger (Democratic, incumbent) · David Michael Golden Jr. (Republican) |
| House: First Suffolk District | 1 | Adrian C. Madaro (Democratic, incumbent) |
| House: First Worcester District | 1 | Krista Suzanne Ferrante (Democratic) · Stephanie R. Mulroy (Republican) |
| House: Fourteenth Bristol District | 1 | Adam J. Scanlon (Democratic, incumbent) |
| House: Fourteenth Essex District | 1 | Adrianne Pusateri Ramos (Democratic, incumbent) |
| House: Fourteenth Middlesex District | 1 | Simon J. Cataldo (Democratic, incumbent) |
| House: Fourteenth Norfolk District | 1 | Alice Hanlon Peisch (Democratic, incumbent) |
| House: Fourteenth Suffolk District | 1 | Rob Consalvo (Democratic, incumbent) |
| House: Fourteenth Worcester District | 1 | James J. O'Day (Democratic, incumbent) |
| House: Fourth Barnstable District | 1 | Hadley Luddy (Democratic, incumbent) |
| House: Fourth Bristol District | 1 | Steven S. Howitt (Republican, incumbent) |
| House: Fourth Essex District | 1 | Estela Reyes (Democratic, incumbent) |
| House: Fourth Hampden District | 1 | Colby Walshe Hoffman (Democratic) · Kelly W. Pease (Republican, incumbent) |
| House: Fourth Middlesex District | 1 | Danielle W. Gregoire (Democratic, incumbent) |
| House: Fourth Norfolk District | 1 | James Michael Murphy (Democratic, incumbent) |
| House: Fourth Plymouth District | 1 | Patrick Joseph Kearney (Democratic, incumbent) |
| House: Fourth Suffolk District | 1 | David M. Biele (Democratic, incumbent) · Charles J. Delaney (Independent) |
| House: Fourth Worcester District | 1 | Josh William Bowdridge (Republican) · Natalie Marie Higgins (Democratic, incumbent) |
| House: Nineteenth Middlesex District | 1 | David Allen Robertson (Democratic, incumbent) |
| House: Nineteenth Suffolk District | 1 | Jeffrey Rosario Turco (Democratic, incumbent) |
| House: Nineteenth Worcester District | 1 | Kate Donaghue (Democratic, incumbent) |
| House: Ninth Bristol District | 1 | Edward M. Pacheco (Democratic) · Chester M. Tam (Republican) |
| House: Ninth Essex District | 1 | Peter Meaney (Democratic) · Donald H. Wong (Republican, incumbent) |
| House: Ninth Hampden District | 1 | Orlando Ramos (Democratic, incumbent) |
| House: Ninth Middlesex District | 1 | Thomas M. Stanley (Democratic, incumbent) |
| House: Ninth Norfolk District | 1 | Thomas R. Melville (Democratic) · Marcus S. Vaughn (Republican, incumbent) |
| House: Ninth Plymouth District | 1 | Lawrence Peter Novak (Republican) · Bridget Marie Plouffe (Democratic, incumbent) |
| House: Ninth Suffolk District | 1 | John Francis Moran (Democratic, incumbent) |
| House: Ninth Worcester District | 1 | David Kent Muradian Jr. (Republican, incumbent) |
| House: Second Barnstable District | 1 | Kip A. Diggs (Democratic, incumbent) |
| House: Second Berkshire District | 1 | Tricia Farley-Bouvier (Democratic, incumbent) |
| House: Second Bristol District | 1 | James Kimball Hawkins (Democratic, incumbent) · Andrew Nelson (Workers Party) |
| House: Second Essex District | 1 | Kristin Elena Kassner (Democratic, incumbent) · Daniel James Kelly (Republican) |
| House: Second Franklin District | 1 | Susannah M. Whipps (Independent, incumbent) |
| House: Second Hampden District | 1 | Brian Michael Ashe (Democratic, incumbent) · Peter Warren (Republican) |
| House: Second Hampshire District | 1 | Homar Gomez (Democratic, incumbent) |
| House: Second Middlesex District | 1 | James Arciero (Democratic, incumbent) |
| House: Second Norfolk District | 1 | Tackey Chan (Democratic, incumbent) · Sharon Marie Cintolo (Republican) |
| House: Second Plymouth District | 1 | John Robert Gaskey (Republican, incumbent) · Sarah G. Hewins (Democratic) |
| House: Second Suffolk District | 1 | Daniel J. Ryan (Democratic, incumbent) |
| House: Second Worcester District | 1 | Michael Joseph Nicholson (Democratic) · John D. Reilly Jr. (Unenrolled) |
| House: Seventeenth Essex District | 1 | Frank A. Moran (Democratic, incumbent) |
| House: Seventeenth Middlesex District | 1 | John M. Drinkwater (Democratic) |
| House: Seventeenth Suffolk District | 1 | Kevin G. Honan (Democratic, incumbent) |
| House: Seventeenth Worcester District | 1 | David Henry Argosky LeBoeuf (Democratic, incumbent) |
| House: Seventh Bristol District | 1 | Talos D. Farris (Republican) · Alan Silvia (Democratic, incumbent) |
| House: Seventh Essex District | 1 | Manny Cruz (Democratic, incumbent) |
| House: Seventh Hampden District | 1 | Aaron L. Saunders (Democratic, incumbent) |
| House: Seventh Middlesex District | 1 | Jack Patrick Lewis (Democratic, incumbent) |
| House: Seventh Norfolk District | 1 | Richard Gerard Wells Jr. (Democratic, incumbent) |
| House: Seventh Plymouth District | 1 | Rosemary Aahanna-Hill (Democratic) · Alyson M. Sullivan-Almeida (Republican, incumbent) |
| House: Seventh Suffolk District | 1 | Chynah T. Tyler (Democratic, incumbent) |
| House: Seventh Worcester District | 1 | Terry Burke Dotson (Independent) · Paul K. Frost (Republican, incumbent) · Nicholas Lazzaro (Democratic) |
| House: Sixteenth Essex District | 1 | Celina A. Reyes (Democratic) |
| House: Sixteenth Middlesex District | 1 | Lorena G. Betts (Democratic) · Karla J. Miller (Republican) |
| House: Sixteenth Suffolk District | 1 | Jessica Ann Giannino (Democratic, incumbent) |
| House: Sixteenth Worcester District | 1 | Daniel M. Donahue (Democratic, incumbent) |
| House: Sixth Bristol District | 1 | Robert G. Anctil (Republican) · Carole A. Fiola (Democratic, incumbent) |
| House: Sixth Essex District | 1 | Hannah Louise Bowen (Democratic, incumbent) |
| House: Sixth Hampden District | 1 | Michael James Finn (Democratic, incumbent) |
| House: Sixth Middlesex District | 1 | Priscila S. Sousa (Democratic, incumbent) |
| House: Sixth Norfolk District | 1 | Lisa R. Lopez (Democratic) |
| House: Sixth Plymouth District | 1 | Jessica Marie Rushing (Democratic) · Kenneth Peter Sweezey (Republican, incumbent) |
| House: Sixth Suffolk District | 1 | Russell Earl Holmes (Democratic, incumbent) |
| House: Sixth Worcester District | 1 | Jeanne Renaud Costello (Democratic) · John J. Marsi Jr. (Republican, incumbent) |
| House: Tenth Bristol District | 1 | Brendalee A. Smith (Republican) · Mark D. Sylvia (Democratic, incumbent) |
| House: Tenth Essex District | 1 | Daniel Francis Cahill (Democratic, incumbent) |
| House: Tenth Hampden District | 1 | Carlos Gonzalez (Democratic, incumbent) |
| House: Tenth Middlesex District | 1 | John J. Lawn (Democratic, incumbent) |
| House: Tenth Norfolk District | 1 | Jeffrey N. Roy (Democratic, incumbent) |
| House: Tenth Plymouth District | 1 | Michelle Marie DuBois (Not listed, incumbent) |
| House: Tenth Suffolk District | 1 | Devin Allen Kreinbring (Workers Party) · William F. MacGregor (Democratic, incumbent) |
| House: Tenth Worcester District | 1 | Brian W. Murray (Democratic, incumbent) |
| House: Third Barnstable District | 1 | Jack Peter Richardson (Democratic) · David T. Vieira (Republican, incumbent) |
| House: Third Berkshire District | 1 | Leigh Susan Davis (Democratic, incumbent) |
| House: Third Bristol District | 1 | Lisa M. Field (Democratic, incumbent) · Lawrence Joseph Quintal (Republican) |
| House: Third Essex District | 1 | Andres Xavier Vargas (Democratic, incumbent) |
| House: Third Hampden District | 1 | Nicholas A. Boldyga (Republican, incumbent) · Thomas D. Hendrickson (Democratic) · Jason M. Perron (Independent) |
| House: Third Hampshire District | 1 | Mindy Domb (Democratic, incumbent) |
| House: Third Middlesex District | 1 | Kate Hogan (Democratic, incumbent) |
| House: Third Norfolk District | 1 | Ronald Mariano (Democratic, incumbent) |
| House: Third Plymouth District | 1 | Joan Meschino (Democratic, incumbent) |
| House: Third Suffolk District | 1 | Aaron Michlewitz (Democratic, incumbent) |
| House: Third Worcester District | 1 | Michael P. Kushmerek (Democratic, incumbent) |
| House: Thirteenth Bristol District | 1 | Antonio F.D. Cabral (Democratic, incumbent) |
| House: Thirteenth Essex District | 1 | Sally Patrice Kerans (Democratic, incumbent) |
| House: Thirteenth Middlesex District | 1 | Ravi Simon (Democratic) |
| House: Thirteenth Norfolk District | 1 | Joshua Brian Tarsky (Democratic, incumbent) |
| House: Thirteenth Suffolk District | 1 | Daniel J. Hunt (Democratic, incumbent) |
| House: Thirteenth Worcester District | 1 | John J. Mahoney (Democratic, incumbent) |
| House: Thirtieth Middlesex District | 1 | Richard M. Haggerty (Democratic, incumbent) |
| House: Thirty-Fifth Middlesex District | 1 | Paul J. Donato (Democratic, incumbent) · James C. Seibel (Republican) |
| House: Thirty-First Middlesex District | 1 | Michael Seamus Day (Democratic, incumbent) · Stephen G. Ternullo (Republican) |
| House: Thirty-Fourth Middlesex District | 1 | Will Mbah (Democratic) |
| House: Thirty-Second Middlesex District | 1 | Leila Bhatti Migliorelli (Democratic) |
| House: Thirty-Seventh Middlesex District | 1 | Danillo A. Sena (Democratic, incumbent) |
| House: Thirty-Sixth Middlesex District | 1 | Colleen M. Garry (Democratic, incumbent) |
| House: Thirty-Third Middlesex District | 1 | Steven Ultrino (Democratic, incumbent) |
| House: Twelfth Bristol District | 1 | Norman J. Orrall (Republican, incumbent) |
| House: Twelfth Essex District | 1 | Thomas P. Walsh (Democratic, incumbent) |
| House: Twelfth Hampden District | 1 | Angelo J. Puppolo Jr. (Democratic, incumbent) |
| House: Twelfth Middlesex District | 1 | Greg Schwartz (Democratic, incumbent) |
| House: Twelfth Norfolk District | 1 | John Healy Rogers (Democratic, incumbent) |
| House: Twelfth Plymouth District | 1 | Kathleen LaNatra (Democratic, incumbent) · Eric J. Meschino (Republican) |
| House: Twelfth Suffolk District | 1 | Brandy Fluker Reid (Democratic) |
| House: Twelfth Worcester District | 1 | Meghan Kilcoyne (Democratic, incumbent) · Lisa K. Mair (Republican) |
| House: Twentieth Middlesex District | 1 | Trevor David Currier (Republican) · Joseph Markey (Democratic) |
| House: Twenty-Eighth Middlesex District | 1 | Joseph W. McGonagle (Democratic, incumbent) |
| House: Twenty-Fifth Middlesex District | 1 | Marjorie C. Decker (Democratic, incumbent) |
| House: Twenty-First Middlesex District | 1 | Kenneth Ira Gordon (Democratic, incumbent) |
| House: Twenty-Fourth Middlesex District | 1 | David M. Rogers (Democratic, incumbent) |
| House: Twenty-Ninth Middlesex District | 1 | Steven Charles Owens (Democratic, incumbent) |
| House: Twenty-Second Middlesex District | 1 | Daniel Ronald Darris-O'Connor (Democratic) · Marc T. Lombardo (Republican, incumbent) |
| House: Twenty-Seventh Middlesex District | 1 | Ben Ewen-Campen (Democratic) |
| House: Twenty-Sixth Middlesex District | 1 | Mike Connolly (Democratic, incumbent) |
| House: Twenty-Third Middlesex District | 1 | Sean Garballey (Democratic, incumbent) |
