Colonial Park is an unincorporated community and census-designated place (CDP) in Lower Paxton Township, Pennsylvania, United States.

It uses the Harrisburg ZIP code of 17109[4] and hosts a great deal of the area's retail activity, including the Colonial Park Mall.

Colonial Park is located in the southwestern quadrant of Lower Paxton Township at 40°17′56″N 76°48′33″W / 40.29889°N 76.80917°W / 40.29889; -76.80917 (40.298789, -76.809067).

U.S. Route 22 (Jonestown Road) is the main highway through Colonial Park, leading west 5 miles (8 km) to downtown Harrisburg and east 23 miles (37 km) to Fredericksburg.

According to the United States Census Bureau, the CDP has a total area of 4.7 square miles (12.3 km2), all land.