Atlantic is a census-designated place (CDP) in Crawford County, Pennsylvania, United States.

The Bridge in East Fallowfield Township was listed on the National Register of Historic Places in 1988.

According to the United States Census Bureau, the CDP has a total area of 0.15 square miles (0.38 km2), all land.

There were 15 housing units at an average density of 102.8 per square mile (39.7/km2).

16.7% of all households were made up of individuals, and none had someone living alone who was 65 years of age or older.