Colwyn is a borough in Delaware County, Pennsylvania, United States.

According to the U.S. Census Bureau, the borough has a total area of 0.26 square miles (0.67 km2), all land.

[3] As of 2008, there were 3.96 miles (6.37 km) of public roads in Colwyn, all of which were maintained by the borough.

[8] The local tax rate is very high[clarification needed]; press reports[which?]

[9] William Penn School District serves Colwyn.