Harold Miller may refer to:
Harold Miller (bishop) (born 1950), Church of Ireland bishop Harold Miller (footballer) (1902–1988), Chelsea and England footballer Harold Miller (librarian) (1898–1989), New Zealand lecturer, librarian and writer Harold Miller (naval officer) (1903–1992), American naval officer and pilot, author, communications executive, and politician Hal Miller (actor), (born 1935) American stage and television actor, singer and painter USCGC Harold Miller, United States Coast Guard cutter Harold Miller (USCG), Coast Guard seaman awarded a Silver Star, namesake of the cutter
See also Harry Miller (disambiguation) Harold Millar (1869–1942), Scottish graphic artist