RNLB Guide of Dunkirk (ON 826) was a 35ft 6in Self-righting motor-class lifeboat whose construction was funded by the Girl Guides in 1940. She was self-righting and designed for launching from a beach. As one of the Little Ships of Dunkirk she was used in the evacuation of Allied soldiers from Dunkirk in World War II. Between 1941 and 1963 she was stationed in Cadgwith, UK as a lifeboat. In 1963 she passed into private ownership.