The St. Anthony Park Branch Library is a branch of the Saint Paul Public Library in Saint Paul, Minnesota, United States. A Carnegie library built in 1917, it is on the National Register of Historic Places. In 1999 a rotunda was built on to the back of the building. This new section houses the branch’s children's collection, one of the largest in Saint Paul. Although one of Saint Paul's smaller library branches at 10,590 square feet, the St. Anthony Park Branch circulated 265,776 items in 2005, making it the third busiest branch in the city.