Harold Black may refer to:
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Harold Stephen Black
Harold Stephen Black (April 14, 1898 – December 11, 1983) was an American electrical engineer, who revolutionized the field of applied electronics by inventing the negative feedback amplifier in 1927. To some, his invention is considered the mo ...
(1898–1983), American electrical engineer
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Harold Black (artist)
Harold Black (1913–1993) was an American artist known for his work with the Works Progress Administration (WPA). Born on December 13, 1913, in New York City he attended National Academy of Design. He was married to fellow artist Isabel Bate ...
(1913–1993), American artist
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Harold Black (civil servant) (1914–1981), British civil servant
{{hndis, Black, Harold