Otto Smik DFC (20 January 1922 – 28 November 1944) was a Czechoslovak pilot who became a fighter ace in the Royal Air Force. He joined the Royal Air Force Volunteer Reserve in July 1940 and was in training until the end of 1942. Between March 1943 and June 1944 he shot down 13 Luftwaffe fighter aircraft probably shot down one more and shared in the shooting down of two others. In July 1944 he shot down three V-1 flying bombs.