2016 Massachusetts elections
The 2016 Massachusetts elections were held on November 8, 2016, throughout Massachusetts. At the federal level, all 9 Massachusetts seats in the United States House of Representatives were up for election. At the state level, all 160 seats of the Massachusetts House of Representatives and all 40 seats of the Massachusetts Senate were up for election. Primary elections were held on September 8. Early voting was used for the first time, and took place from October 24 through November 4.
Federal elections
Presidential election
Official state results from the Massachusetts Secretary of State are as followsState legislature elections
Senate'''House of Representatives'''
Ballot measures
Four statewide ballot measures were certified for the 2016 ballot.| Number | Initiative title | Subject | Description | Yes | No | Result |
| Question 1 | Massachusetts Expand Slot Machine Gaming Initiative | Gambling | Allow a second slots parlor to exist in Massachusetts | 39.3% | 60.7% | rejected |
| Question 2 | Massachusetts Charter School Expansion Initiative | Education | Let state education officials approve up to 12 new charter schools a year | 37.9% | 62.1% | rejected |
| Question 3 | Massachusetts Conditions for Farm Animals Initiative | Animals | Phase out what advocates say are "extreme" methods of farm animal confinement | 77.7% | 22.3% | approved |
| Question 4 | Massachusetts Legalization, Regulation and Taxation of Marijuana Initiative | Marijuana | Legalize marijuana for recreational use | 53.6% | 46.4% | approved |