Raymond Richard Guest OBE (November 25, 1907 – December 31, 1991) was an American businessman, thoroughbred race horse owner and polo player.

He served on mine sweepers and was made head of the Navy section of the Office of Strategic Services in London, England.

Guest is one of only four owners to win both The Derby and the Grand National, the others being King Edward VII, when Prince of Wales, Dorothy Paget and Jim Joel.

In the United States, Raymond Guest was a member of The Jockey Club and voted President of the Virginia Thoroughbred Association in 1958.

Raymond Guest twice won the U.S. Open as part of the Templeton team, and was posthumously inducted into the Museum of Polo and Hall of Fame in 2006.

[7] She was the elder daughter of Francis Ormond "Frank" French II (1888–1962) and Eleanor Livingston Burrill (1891–1974),[8] and was a first cousin of Rhode Island Governor William Henry Vanderbilt III (1901–1981).