| Official Name: | Allison Park, Pennsylvania |
| Settlement Type: | Census-designated place |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Allegheny |
| Unit Pref: | Imperial |
| Area Total Km2: | 35.90 |
| Area Total Sq Mi: | 13.86 |
| Population As Of: | 2020 |
| Population Total: | 21864 |
| Population Density Km2: | 4086.48 |
| Population Density Sq Mi: | 1577.8 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Coordinates: | 40.56°N -79.96°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 15101 |
| Area Code: | 412 |
| Blank Name: | FIPS code |
| Blank Info: | 42-02056 |
| Blank1 Name: | GNIS feature ID |
| Blank2 Name: | School District |
Allison Park is a census-designated place in Allegheny County, Pennsylvania, United States. It is a suburb of Pittsburgh and is located within Hampton, McCandless, Shaler, Indiana and West Deer townships. It had a population of 21,864 at the 2020 census.[2] The ZIP Code for Allison Park is 15101.[3]
Allison Park in the 18th century was called Tally Cavey. Tally Cavey was part of the large Pitt Township. The word Talley Cavey is Irish Gaelic for "hill over the borough". Early Irish settlers named it after Tullycavy on the Ards Peninsula outside Greyabbey, County Down, now in Northern Ireland.[4] The town started in the woods that are now along Mt. Royal Boulevard, and continued until it reached what is now the Pennsylvania Turnpike.
Allison Park is divided amongst the Hampton Township School District, North Allegheny School District Shaler Area School District, and Deer Lakes School District with students attending the schools for the respective municipality they reside in.