Ian Fletcher

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