| Official Name: | Oakfield, Maine |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Maine#USA |
| Pushpin Label: | Oakfield |
| Pushpin Label Position: | left |
| Coordinates: | 46.0992°N -68.1528°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Maine |
| Subdivision Type2: | County |
| Subdivision Name2: | Aroostook |
| Subdivision Type3: | Town |
| Subdivision Name3: | Oakfield |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 3.38 |
| Area Land Sq Mi: | 3.38 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 8.77 |
| Area Land Km2: | 8.77 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Density Km2: | 43.12 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 567 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 04763 |
| Area Code: | 207 |
| Blank Name: | FIPS code |
| Blank Info: | 23-54350 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2804665 |
| Population Total: | 378 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 111.70 |
Oakfield is a census-designated place (CDP) and the primary village in the town of Oakfield, Aroostook County, Maine, United States. It is in the northwestern corner of the town, on both sides of the East Branch Mattawamkeag River. Interstate 95 passes through the CDP, north of the village center, with access from Exit 286 (River Road). I-95 leads east to the Canada–United States border at Houlton, and southwest to Bangor.
Oakfield was first listed as a CDP prior to the 2020 census.