Sir Francis Wheler (sometimes spelt Wheeler) (1656 – 19 February 1694) was an officer of the Royal Navy who served during the Nine Years' War. Wheler spent the early part of his career in the Mediterranean, eventually being promoted to command his own ships, and being particularly active against the Algerine and Salé pirates that infested the region. He went on to serve in British waters, and was knighted by King James II. Wheler remained in the navy after the Glorious Revolution and his continued good service led to the command of a squadron. He fought at Beachy Head and Barfleur, and in 1692 was promoted to flag rank. He took a fleet out to attack French possessions in the Caribbean and North America, but his attack on Martinique ended in failure when large numbers of the troops involved