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
- Hal Miller (actor), American stage and television actor
- USCGC Harold Miller, United States Coast Guard cutter
- Harold Miller (USCG), Coast Guard seaman awarded a Silver Star, namesake of the cutter
See also
edit- Harry Miller (disambiguation)
- Harold Millar (1869–1942), Scottish graphic artist