Arnot is a census-designated place located in Bloss Township, Tioga County in the state of Pennsylvania, United States. It is located off US Route 15 near the borough of Blossburg. As of the 2020 census, Arnot had a population of 315.
It is in the Southern Tioga School District.
Entertainer Johnny J. Jones and professional baseball player Red Murray were born here. Additionally, the first United States Secretary of Labor, William B. Wilson lived here as a child.