| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Merwin | city | Missouri | United States | 38.40 | -94.59 | 928 | |
| Merwin | city | Ohio | United States | 39.05 | -84.26 | 898 | |
| Merwinsburg | city | Pennsylvania | United States | 40.97 | -75.47 | 944 | |
| Merwinsville | city | Connecticut | United States | 41.65 | -73.48 | 275 |