Lennox Claudius Lewis, CM, CBE (born September 2, 1965) is a retired boxer and former undisputed World heavyweight champion. He won gold for Canada at the 1988 Olympic Games as an amateur.

Along with Muhammad Ali, Evander Holyfield and Vitali Klitschko, Lewis is one of four boxers in history to have won the heavyweight championship three times.

Lewis is 195cm (6 ft 5 in) in height and has an 84-in reach, much longer than average for his height. During his boxing prime, he weighed 113 kg (250lb). Lewis often referred to himself as "the pugilist specialist".