| 105th Massachusetts General Court | |
| Body: | General Court |
| Election: | November 6, 1883 |
| Session1 End: | [1] |
| Before: | 104th |
| After: | 106th |
| Chamber1: | Senate |
| Membership1: | 40 |
| Control1: | Republican |
| Chamber1 Leader1 Type: | President |
| Chamber1 Leader1: | George A. Bruce (1st Middlesex) |
| Chamber2: | House |
| Membership2: | 240 |
| Control2: | Republican |
| Chamber2 Leader1 Type: | Speaker |
| Chamber2 Leader1: | George A. Marden |
The 105th Massachusetts General Court was convened in 1884. It sat Watson F. Hammond, the first American Indian to be elected to the Great and General Court.