| Name | Title | Court | County | Rate this Judge | Rating | # of Ratings |
| Hon. James LaMothe | District Court Judge |
District Court
| Essex |  | | 0 |
| Hon. James Lang | Superior Court Judge |
Superior Court
| Suffolk | | | 1 |
| Hon. Peter Lauriat | Superior Court Judge |
Superior Court
| Suffolk | | 6.2 | 3 |
| Hon. Edward Leibensperger | Superior Court Judge |
Superior Court
| Middlesex | | | 0 |
| Hon. James Lemire | Superior Court Judge |
Superior Court
| Middlesex | | 8.8 | 2 |
| Hon. David Dunbar Livingston | District Court Judge |
District Court
| Essex | | | 0 |
| Hon. David Locke | District Court Judge |
District Court
| Worcester | | 2.6 | 4 |
| Hon. Jeffrey Locke | Superior Court Judge |
Superior Court
| Plymouth | | 9.3 | 1 |
| Hon. Paul LoConto | District Court Judge |
District Court
| Worcester | | 2.9 | 1 |
| Hon. Christopher LoConto | Justice |
District Court
| Worcester | | | 0 |
| Hon. Paul Losapio | District Court Judge |
District Court
| Worcester | | 1.2 | 3 |
| Hon. David Lowy | Superior Court Judge |
Superior Court
| Essex | | | 1 |
| Hon. John Lu | Superior Court Judge |
Superior Court
| Middlesex | | 7.1 | 2 |
| Hon. Joan Lynch | District Court Judge |
District Court
| Barnstable | | 3.6 | 9 |