"Better Ingredients. Better pizza. Papa John's". Papa John's is a nationwide chain of pizza shops that offers a variety of thin- and regular-crust pizzas. Toppings include sausage, pepperoni, chicken and bacon, as well as vegetarian options such as mushrooms, pineapple, black olives, banana peppers, green peppers and onions. Specialty pizzas available include The Meats, Hawaiian BBQ Chicken, Tuscan Six Cheese and others.