| 31st Massachusetts General Court | |
| Body: | General Court |
| Before: | 30th |
| After: | 32nd |
| Chamber1: | Senate |
| Membership1: | 40 |
| Chamber1 Leader1 Type: | President |
| Chamber1 Leader1: | Harrison Gray Otis |
| Chamber2: | House |
| Chamber2 Leader1 Type: | Speaker |
| Chamber2 Leader1: | Perez Morton |
The 31st Massachusetts General Court, consisting of the Massachusetts Senate and the Massachusetts House of Representatives, met in 1810 and 1811 during the governorship of Elbridge Gerry. Harrison Gray Otis served as president of the Senate and Perez Morton served as speaker of the House.[1]