Blairsville is a borough in Indiana County, Pennsylvania, United States, located 42 miles (68 km) east of Pittsburgh, and on the Conemaugh River.

In 1858 the area became heavily involved in the Underground Railroad with local families.

In a letter to Theodore Parker, a local geologist Peter Lesley stated there we over 3000 men helping the railroad in the area.

[4] Just outside of the city limits in Burrell Township, auto and diesel repair trade school New Village Institute has operated since 2021.

The Blairsville Armory and St. Peter's Episcopal Church and Rectory are listed on the National Register of Historic Places.

According to the United States Census Bureau, the borough has a total area of 1.41 square miles (3.66 km2), all land.