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
See also Harold Clarke (disambiguation) Harry Clark (disambiguation) William Harold Clark (1869–1913), Canadian politician