| Official Name: | Jacksonville, Lehigh County, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Jacksonville |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Lehigh |
| Subdivision Type3: | Township |
| Subdivision Name3: | Lynn |
| Established Title: | Founded |
| Established Date: | 1820 |
| Named For: | Andrew Jackson |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 518 |
| Coordinates: | 40.6708°N -75.8286°W |
| Population Metro: | 865,310 (US: 68th) |
| Postal Code Type: | ZIP Code |
| Postal Code: | 19529 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1177939 |
Jacksonville is an unincorporated community that is located in Lynn Township in Lehigh County, Pennsylvania. It is part of the Lehigh Valley, which has a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.
After land had been given for a church and churchyard, the first house was built in 1820.[1] The village was named after President Andrew Jackson in 1845.[2]