| Fairfield, SD (Township) |
| Fairfield, OH (City) |
| Fairfield, PA (Borough) |
| Fairfield, MN (Township) |
| Fairfield, MN (Township) |
| Fairfield, IL (City) |
| Fairfield, IA (City) |
| Fairfield, NY (Town) |
| Fairfield, CA (City) |
| Fairfield, AL (City) |
| Fairfield, ID (City) |
| Fairfield Bay, AR (City) |
| Fairfield County, SC (County) |
| Fairfield County, CT (County) |
| Fairfield County, OH (County) |
