| Mayor of Somerville | |
|---|---|
 Former City Seal (1872–1972) depicting George Washington | |
 Incumbent since January 3, 2022Katjana Ballantyne | |
| Seat | Somerville City Hall |
| Term length | Two years |
| Formation | 1872 |
| First holder | George O. Brastow |
| Website | www |
From 1841 until 1872 Somerville was run by the Board of Selectmen, because up to that point Somerville was still incorporated as a town. The Mayor is the current head of the municipal government in Somerville, Massachusetts.