Pennsylvania Route 844 (PA 844) is a 15-mile (24 km) long state highway located in Washington county in Pennsylvania. The western terminus is the West Virginia state line in Independence Township where the road becomes WV 27. The eastern terminus is at PA 18 in Washington.

The entire stretch of PA Route 844 originally started as part of PA Route 31 in 1927. It was renumbered 844 in 1964.

PA 844 begins at the West Virginia border in Independence Township, where the road continues west into that state as WV 27. From the state line, the route heads east on two-lane undivided Washington Pike, passing through agricultural areas with some woods and homes. A short distance later, PA 844 comes to an intersection with the western terminus of PA 50 in the community of Independence. From this point, the road continues through more rural areas, forming a short concurrency with PA 231. The route continues east into more forested areas with some residences, heading into Hopewell Township and becoming Jefferson Avenue. PA 844 enters West Middletown, where it passes homes along Main Street. Upon crossing back into Hopewell Township, the route becomes Jefferson Avenue again and runs through a mix of farms and woods before heading southeast into open agricultural areas. The road passes through the community of Buffalo and continues through more farmland with patches of trees and residences. A short distance after entering Canton Township, PA 844 comes to a junction with the eastern terminus of PA 331 and passes more farms. Farther southeast, residential development near the road increases as it comes to the community of Wolfdale. The route passes homes and a few businesses before heading into industrial areas and crossing the Chartiers Creek. PA 844 enters Washington and passes homes and businesses before ending at PA 18.

The entire route is in Washington County.