Peter Van Rensselaer Franchot is an American politician who was the 33rd comptroller of Maryland. A member of the Democratic Party, Franchot served for 20 years in the Maryland House of Delegates representing Takoma Park and Silver Spring. He was elected comptroller in 2006, and was subsequently re-elected three times. Franchot unsuccessfully ran for governor of Maryland in 2022, placing third in the Democratic primary behind Tom Perez and Wes Moore.

The comptroller of Maryland is a constitutional officer of the U.S. state of Maryland. Thirty-four individuals have held the office of comptroller since 1851, when the office was created. The incumbent is Brooke Lierman, a Democrat.