Henrietta is an unincorporated community and census-designated place (CDP) in Blair County, Pennsylvania, United States.

[2] The CDP is in the southeastern corner of Blair County, in the southeastern corner of North Woodbury Township.

It is in the valley of Clover Creek, a northward-flowing tributary of the Frankstown Branch Juniata River, and sits at the western foot of Tussey Mountain.

It is 5 miles (8 km) southeast of Martinsburg and 9 miles (14 km) southeast of Roaring Spring.

This Blair County, Pennsylvania state location article is a stub.