David Radclyffe Guard (19 May 1928 – 12 December 1978) was an English first-class cricketer. A right-handed batsman who made his first-class debut for Hampshire in the 1946 County Championship against Yorkshire, Guard made five appearances for Hampshire in the 1946 season. In 1947 Guard made his debut for the Combined Services against Worcestershire. This was Guard's only first-class appearance in 1947. The following season Guard made a single first-class appearance for Hampshire against Oxford University. Guard died suddenly at Hartfield, Sussex on 12 December 1978.