Harold Clark

Harold Clark may refer to:


 * Gene Clark (Harold Eugene Clark, 1944–1991), American singer-songwriter
 * Harold L. Clark (1893–1973), U. S. Air Force brigadier general who designed Randolph Air Force Base
 * Harold M. Clark (1890–1919), U.S. Army Signal Corps soldier and the namesake of Clark Air Base in the Philippines
 * Harold W. Clark (1891–1986), American creationist