| Official Name: | Appleton, Maryland |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Maryland#USA |
| Pushpin Label: | Appleton |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Cecil |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 335 |
| Coordinates: | 39.6983°N -75.8142°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 21921 |
| Area Codes: | 410, 443, and 667 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 582915 |
Appleton is an unincorporated community in Cecil County, Maryland, United States. Appleton is located at the intersection of Maryland Route 273 and Appleton Road, north of Elkton and east of Fair Hill.