| Sunfish Lake, MN (City) |
| Sunfish Township, OH (Township) |
| Sunflower, MS (Town) |
| Sunflower County, MS (County) |
| Sunland Park, NM (City) |
| Sunman, IN (Town) |
| Sunny Isles Beach , FL (City) |
| Sunny Side, GA (City) |
| Sunny Slope, ND (Township) |
| Sunnyland Farms Community Development District, FL (CDD) |
| Sunnyside, UT (City) |
| Sunnyside, WA (City) |
| Sunnyside, MN (Township) |
| Sunnyside, SD (Township) |
| Sunnyvale, CA (City) |
