| Official Name: | Sheppards Mill, New Jersey |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA New Jersey Cumberland County#USA New Jersey#USA |
| Pushpin Label: | Sheppards Mill |
| Pushpin Map Caption: | Location in Cumberland County##Location in New Jersey##Location in the United States |
| Pushpin Relief: | yes |
| Coordinates: | 39.4103°N -75.3181°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Cumberland |
| Subdivision Type3: | Townships |
| Subdivision Name3: | Greenwich Hopewell |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.36 |
| Area Land Sq Mi: | 0.32 |
| Area Water Sq Mi: | 0.04 |
| Area Total Km2: | 0.94 |
| Area Land Km2: | 0.84 |
| Area Water Km2: | 0.10 |
| Population As Of: | 2020 |
| Population Density Km2: | 156.51 |
| Timezone: | Eastern (EST) |
| Utc Offset: | −05:00 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −04:00 |
| Elevation Ft: | 20 |
| Postal Code Type: | ZIP Codes |
| Postal Code: | 08323 (Greenwich) 08302 (Bridgeton) |
| Area Code: | 856 |
| Blank Name: | FIPS code |
| Blank Info: | [2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2806186 |
| Population Total: | 131 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 405.57 |
Sheppards Mill is an unincorporated community and census-designated place (CDP) in Cumberland County, in the U.S. state of New Jersey. It is located in the western part of the county in northeastern Greenwich Township and southwestern Hopewell Township. The community is centered on Mill Creek, which is dammed to form Sheppards Millpond in the northwestern part of the CDP. Mill Creek is a southwest-flowing tributary of Wheaton Run, part of the Cohansey River watershed leading to Delaware Bay.
The community is 5miles southwest of Bridgeton, the Cumberland county seat, and less than 2miles northeast of the village of Greenwich.
Sheppards Mill was first listed as a CDP prior to the 2020 census.