| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Somerset | city | Massachusetts | United States | 41.77 | -71.13 | 3 | |
| Somerville | city | Massachusetts | United States | 42.39 | -71.10 | 45 | |
| South Acton | city | Massachusetts | United States | 42.46 | -71.45 | 200 | |
| South Amherst | city | Massachusetts | United States | 42.34 | -72.51 | 196 | |
| South Ashburnham | city | Massachusetts | United States | 42.61 | -71.94 | 997 | |
| South Ashfield | city | Massachusetts | United States | 42.51 | -72.78 | 1059 | |
| South Athol | city | Massachusetts | United States | 42.53 | -72.26 | 830 | |
| South Attleboro | city | Massachusetts | United States | 41.91 | -71.36 | 82 | |
| South Barre | city | Massachusetts | United States | 42.39 | -72.10 | 830 | |
| South Bellingham | city | Massachusetts | United States | 42.04 | -71.48 | 196 | |
| South Berlin | city | Massachusetts | United States | 42.36 | -71.63 | 229 | |
| South Billerica | city | Massachusetts | United States | 42.53 | -71.28 | 193 | |
| South Bolton | city | Massachusetts | United States | 42.40 | -71.61 | 370 | |
| South Boston | city | Massachusetts | United States | 42.33 | -71.05 | 6 | |
| South Braintree | city | Massachusetts | United States | 42.20 | -71.00 | 98 | |
| South Brewster | city | Massachusetts | United States | 41.75 | -70.06 | 108 | |
| South Bridgewater | city | Massachusetts | United States | 41.95 | -70.95 | 36 | |
| South Byfield | city | Massachusetts | United States | 42.75 | -70.90 | 45 | |
| South Carver | city | Massachusetts | United States | 41.84 | -70.75 | 78 | |
| South Charlton | city | Massachusetts | United States | 42.10 | -71.92 | 830 | |
| South Chatham | city | Massachusetts | United States | 41.68 | -70.02 | 9 | |
| South Chelmsford | city | Massachusetts | United States | 42.57 | -71.38 | 216 | |
| South Commons | city | Massachusetts | United States | 42.24 | -70.99 | 49 | |
| South Dartmouth | city | Massachusetts | United States | 41.59 | -70.94 | 45 | |
| South Deerfield | city | Massachusetts | United States | 42.48 | -72.61 | 193 | |
| South Dennis | city | Massachusetts | United States | 41.69 | -70.16 | 13 | |
| South Duxbury | city | Massachusetts | United States | 42.02 | -70.68 | 13 | |
| South East Quarter (historical) | city | Massachusetts | United States | 41.25 | -70.00 | 32 | |
| South Easton | city | Massachusetts | United States | 42.05 | -71.08 | 101 | |
| South Egremont | city | Massachusetts | United States | 42.16 | -73.42 | 830 | |
| South End | city | Massachusetts | United States | 42.10 | -72.58 | 91 | |
| South Essex | city | Massachusetts | United States | 42.63 | -70.77 | 39 | |
| South Factory Village | city | Massachusetts | United States | 42.07 | -72.33 | 830 | |
| South Fitchburg | city | Massachusetts | United States | 42.56 | -71.78 | 406 | |
| South Foxboro | city | Massachusetts | United States | 42.04 | -71.27 | 209 | |
| South Gardner | city | Massachusetts | United States | 42.56 | -71.98 | 1095 | |
| South Georgetown | city | Massachusetts | United States | 42.71 | -70.99 | 134 | |
| South Grafton Street | city | Massachusetts | United States | 42.24 | -71.75 | 396 | |
| South Groveland | city | Massachusetts | United States | 42.74 | -71.05 | 98 | |
| South Hadley | city | Massachusetts | United States | 42.26 | -72.57 | 196 | |
| South Hadley Falls | city | Massachusetts | United States | 42.22 | -72.60 | 98 | |
| South Halifax | city | Massachusetts | United States | 41.96 | -70.87 | 29 | |
| South Hamilton | city | Massachusetts | United States | 42.61 | -70.88 | 45 | |
| South Hanover | city | Massachusetts | United States | 42.10 | -70.85 | 49 | |
| South Hanson | city | Massachusetts | United States | 42.04 | -70.88 | 82 | |
| South Harwich | city | Massachusetts | United States | 41.68 | -70.04 | 6 | |
| South Hawley | city | Massachusetts | United States | 42.55 | -72.90 | 1722 | |
| South Hingham | city | Massachusetts | United States | 42.20 | -70.87 | 108 | |
| South Lancaster | city | Massachusetts | United States | 42.44 | -71.69 | 249 | |
| South Lawrence | city | Massachusetts | United States | 42.70 | -71.15 | 45 | |
| South Lee | city | Massachusetts | United States | 42.28 | -73.28 | 948 | |
| South Lincoln | city | Massachusetts | United States | 42.41 | -71.33 | 196 | |
| South Lowell | city | Massachusetts | United States | 42.62 | -71.29 | 144 | |
| South Lynnfield | city | Massachusetts | United States | 42.52 | -71.00 | 124 | |
| South Mashpee | city | Massachusetts | United States | 41.58 | -70.48 | 49 | |
| South Meadow Village | city | Massachusetts | United States | 41.89 | -70.75 | 98 | |
| South Middleboro | city | Massachusetts | United States | 41.82 | -70.83 | 111 | |
| South Middleton | city | Massachusetts | United States | 42.57 | -71.03 | 59 | |
| South Milford | city | Massachusetts | United States | 42.10 | -71.50 | 288 | |
| South Monson | city | Massachusetts | United States | 42.09 | -72.31 | 830 | |
| South Natick | city | Massachusetts | United States | 42.27 | -71.32 | 124 | |
| South Orleans | city | Massachusetts | United States | 41.75 | -69.99 | 52 | |
| South Pasture (historical) | city | Massachusetts | United States | 41.25 | -70.09 | 9 | |
| South Peabody | city | Massachusetts | United States | 42.51 | -70.95 | 98 | |
| South Pepperell | city | Massachusetts | United States | 42.64 | -71.61 | 232 | |
| South Pocasset | city | Massachusetts | United States | 41.68 | -70.61 | 49 | |
| South Pond | city | Massachusetts | United States | 41.91 | -70.64 | 127 | |
| South Quabbin Villa | city | Massachusetts | United States | 42.28 | -72.38 | 830 | |
| South Quarter | city | Massachusetts | United States | 42.14 | -72.86 | 830 | |
| South Quincy | city | Massachusetts | United States | 42.24 | -71.01 | 45 | |
| South Rehoboth | city | Massachusetts | United States | 41.80 | -71.28 | 26 | |
| South Row | city | Massachusetts | United States | 42.63 | -71.70 | 351 | |
| South Royalston | city | Massachusetts | United States | 42.63 | -72.15 | 895 | |
| South Salem | city | Massachusetts | United States | 42.51 | -70.89 | 3 | |
| South Sandisfield | city | Massachusetts | United States | 42.07 | -73.16 | 1669 | |
| South Seekonk | city | Massachusetts | United States | 41.79 | -71.32 | 68 | |
| South Sherborn | city | Massachusetts | United States | 42.22 | -71.36 | 137 | |
| South Shrewsbury | city | Massachusetts | United States | 42.28 | -71.72 | 830 | |
| South Spencer | city | Massachusetts | United States | 42.22 | -72.01 | 830 | |
| South Stoughton | city | Massachusetts | United States | 42.12 | -71.08 | 246 | |
| South Sudbury | city | Massachusetts | United States | 42.36 | -71.41 | 177 | |
| South Sutton | city | Massachusetts | United States | 42.10 | -71.71 | 396 | |
| South Swansea | city | Massachusetts | United States | 41.72 | -71.20 | 3 | |
| South Truro | city | Massachusetts | United States | 41.97 | -70.08 | 32 | |
| South Village | city | Massachusetts | United States | 42.67 | -71.82 | 898 | |
| South Walpole | city | Massachusetts | United States | 42.10 | -71.26 | 249 | |
| South Wareham | city | Massachusetts | United States | 41.77 | -70.75 | 49 | |
| South Wellfleet | city | Massachusetts | United States | 41.92 | -70.00 | 13 | |
| South Wendell | city | Massachusetts | United States | 42.52 | -72.39 | 987 | |
| South Westport | city | Massachusetts | United States | 41.57 | -71.06 | 75 | |
| South Weymouth | city | Massachusetts | United States | 42.18 | -70.95 | 196 | |
| South Williamstown | city | Massachusetts | United States | 42.66 | -73.24 | 898 | |
| South Wilmington | city | Massachusetts | United States | 42.52 | -71.16 | 98 | |
| South Worcester | city | Massachusetts | United States | 42.24 | -71.81 | 830 | |
| South Worthington | city | Massachusetts | United States | 42.34 | -72.89 | 882 | |
| South Yarmouth | city | Massachusetts | United States | 41.67 | -70.18 | 3 | |
| Southampton | city | Massachusetts | United States | 42.23 | -72.73 | 255 | |
| Southborough | city | Massachusetts | United States | 42.31 | -71.52 | 298 | |
| Southbridge | city | Massachusetts | United States | 42.08 | -72.03 | 830 | |
| Southfield | city | Massachusetts | United States | 42.10 | -73.23 | 1217 | |
| Southville | city | Massachusetts | United States | 42.27 | -71.54 | 347 | |
| Southwick | city | Massachusetts | United States | 42.05 | -72.77 | 265 |