Dudley is a borough in Huntingdon County, Pennsylvania, United States.

[4] Dudley is located in southwestern Huntingdon County in the valley of Shoup Run, a west-flowing tributary of the Raystown Branch Juniata River.

Pennsylvania Route 913 passes through the borough, leading east (uphill) 2.5 miles (4.0 km) to Broad Top City and west (downstream) 2 miles (3 km) to Coalmont.

According to the United States Census Bureau, the borough of Dudley has a total area of 0.33 square miles (0.85 km2), all land.

None of the families and 4.5% of the population were living below the poverty line, including no under eighteens and 14.3% of those over 64.