| 42nd Massachusetts General Court | |
| Body: | General Court |
| Before: | 41st |
| After: | 43rd |
| Chamber1: | Senate |
| Membership1: | 40 |
| Chamber1 Leader1 Type: | President |
| Chamber1 Leader1: | John Phillips |
| Chamber2: | House |
| Chamber2 Leader1 Type: | Speaker |
| Chamber2 Leader1: | Josiah Quincy III, Luther Lawrence |
The 42nd Massachusetts General Court, consisting of the Massachusetts Senate and the Massachusetts House of Representatives, met in 1821 and 1822 during the governorship of John Brooks. John Phillips served as president of the Senate. Josiah Quincy III and Luther Lawrence served as speakers of the House.[1]