Papa's Tomato Pies is a historic pizzeria selling Trenton tomato pies in New Jersey. It was founded by Giuseppe "Joe" Papa in 1912 on South Clinton Avenue in Trenton, New Jersey. Papa's is the oldest family owned and longest continuously operating pizzeria in the United States. Papa's is the second oldest pizzeria in the United States after Lombardi's Pizza, but Lombardi's closed for a decade from 1984 to 1994 and was reopened under new management.