| Official Name: | Sylvan Hills, Pennsylvania |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Sylvan Hills |
| Pushpin Label Position: | top |
| Coordinates: | 40.4486°N -78.3839°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: | Frankstown |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.99 |
| Area Land Km2: | 0.99 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2020 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1158 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 16648 (Hollidaysburg) |
| Area Code: | 814/582 |
| Blank Name: | FIPS code |
| Blank Info: | 42-75936 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805570 |
Sylvan Hills is a 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 central Blair County, in the northwest part of Frankstown Township. It is bordered to the south by the borough of Hollidaysburg, the county seat, and it is 5miles south of Altoona, the largest city in the county.