Ian Fletcher may refer to:
Ian Fletcher (diplomat), Director of GCSB in New Zealand Ian Fletcher (literary critic) (1920–1988), British scholar Ian Fletcher (tennis) (born 1948), former tennis player from Australia Ian Fletcher, historian of the British Army during the early 19th century, especially in the Peninsular War campaign Ian Fletcher, the main character in the novel Keeping Faith by Jodi Picoult Ian Fletcher, the main character in the BBC comedy series Twenty Twelve and its follow-up W1A, played by Hugh Bonneville
See also Iain Fletcher (born 1966), British television actor Iain Fletcher (cricketer) (born 1971), English cricketer