Schaeffler is a German surname. Notable people with the surname include:
Anton Schaeffler, inventor of the Schaeffler diagram Georg F. W. Schaeffler (born 1964), German businessman, owner of the Schaeffler Group Maria-Elisabeth Schaeffler (born 1941), German businesswoman Otto Schäffler, inventor of the Schaeffler code Willy Schaeffler (1915–1988), German skiing coach