Jack Benny (entertainer); Jack Black (actor); Jack Cassidy (actor); Jack Carpenter (actor); Jack Lemmon (actor); Jack Lord (actor); Jack Nicholson (actor); Jack Palance (actor); Jack Scalia (actor); Jack Wagner (actor); Jack Warner (film executive); J. P. “Jack” Morgan, Jr. (businessman); Jack Welch (businessman); Jasper Newton “Jack” Daniel (whiskey maker); Jack London (author); Jack Kerouac (author); Jack Bruce (guitarist); Jack Casady (guitarist); Jack Johnson (musician); Jack Russell (musician); Jack White (musician); John F. “Jack†Kennedy (U.S. President); Jack Nicklaus (golfer); Jack Johnson (boxer); Jack Dempsey (boxer); Jack Kevorkian (pathologist)
