Arthur George Pradel (September 5, 1937 – September 4, 2018) was an American police officer and politician who was elected mayor of Naperville, Illinois in 1995 and re-elected in 1999, 2003, 2007, and 2011 making him the longest-serving mayor of Naperville. In 2015, Pradel did not run for reelection, but declined to personally endorse a candidate. The election was won by Steve Chirico, a former city council member, who was sworn in on May 3, 2015.