Paine (Payne) Page Prim (May 2, 1822 – August 8, 1899) was an American attorney and judge in the state of Oregon. He was the 6th Chief Justice of the Oregon Supreme Court serving in that role from three times between 1864 and 1878. Prim served on Oregon’s highest court for 21 years. Prim was the first graduate of Cumberland Law School, and a participant at the Oregon Constitutional Convention.