| Official Name: | Robeson Extension, Pennsylvania |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Robeson Extension |
| Pushpin Label Position: | top |
| Coordinates: | 40.4672°N -78.1997°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Blair |
| Subdivision Type3: | Township |
| Subdivision Name3: | Catharine |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.17 |
| Area Land Sq Mi: | 0.17 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 0.45 |
| Area Land Km2: | 0.45 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 217 |
| Population Density Sq Mi: | 1247.13 |
| Population Density Km2: | 481.48 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 856 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 16693 (Williamsburg) |
| Area Code: | 814/582 |
| Blank Name: | FIPS code |
| Blank Info: | 42-65328 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805552 |
Robeson Extension is an unincorporated community and census-designated place (CDP) in Blair County, Pennsylvania, United States. It was first listed as a CDP prior to the 2020 census.
The CDP is in eastern Blair County, on the southern border of Catharine Township. It sits within a bend of the Frankstown Branch Juniata River, which borders to the community to the east, south, and west. Across the river are Woodbury Township and the borough of Williamsburg. High Street leads from Robeson Extension south across the Frankstown Branch into Williamsburg. To the north, High Street becomes Yellow Springs Drive, which leads north 4miles to U.S. Route 22 at Yellow Springs.