| St Andrews, ND (Township) |
| St Ann, MO (City) |
| St Anna, ND (Township) |
| St Anne, IL (Village) |
| St Anne Township, IL (Township) |
| St Ansgar, IA (City) |
| St Anthony, IA (City) |
| St Anthony, MN (City) |
| St Anthony, ID (City) |
| St Anthony Village, MN (City) |
| St Armand, NY (Town) |
| St Augusta, MN (City) |
| St Augustine, IL (Village) |
| St Bernard, NE (Township) |
| St Bonifacius, MN (City) |
