Fernway is a neighborhood in Cranberry Township, Butler County, Pennsylvania, United States.

It includes 458 homes on 183 acres and was the first planned housing subdivision in the Township, dating back to the 1950s.

Fernway was formerly used as the name of a census-designated place (CDP), but the designation was removed as of TIGER 2013 after Cranberry Township officials pointed out that users of Internet mapping websites frequently misinterpreted the CDP as the name of its parent municipality.

[2] According to the United States Census Bureau, the CDP had a total area of 5.3 square miles (14 km2), all land.

15.2% of all households were made up of individuals, and 3.4% had someone living alone who was 65 years of age or older.