Kenneth Norman Fletcher ( born June 15, 1940 in Brisbane, Queensland, † February 11, 2006 ) was an Australian tennis player. In the 1960s, he was one of the most successful doubles and mixed players in the world. He won in his career 10 Grand Slam titles.
His greatest successes came along with Margaret Smith Court and Court were Fletcher 1963, the first and only couple who have won all four Grand Slam tournaments of the year in mixed doubles. For more Grand Slam titles in 1964 won both the Australian Open and in the years 1965, 1966 and 1968 in Wimbledon.
As a single player only once he reached the final of a Grand Slam tournament. In 1963, he lost the final of the Australian Open his compatriot Roy Emerson.
Fletcher died on 11 February 2006 at the age of 65 from cancer.