| St Lawrence County, NY (County) |
| St Lawrence Town, WI (Town) |
| St Leo, MN (City) |
| St Leon, IN (Town) |
| St Libory, IL (Village) |
| St Louis, OK (Town) |
| St Louis, MO (City) |
| St Louis County, MN (County) |
| St Louis County, MO (County) |
| St Louis Park, MN (City) |
| St Lucas, IA (City) |
| St Marie Town, WI (Town) |
| St Marie Township, IL (Township) |
| St Maries, ID (City) |
| St Martin, MN (Township) |
