Hallgarten is a surname. Notable people with the surname include:
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Charles Hallgarten
Charles Hallgarten, or Charles/Karl Lazarus Hallgarten (18 November 1838 – 19 April 1908) was a German banker and philanthropist.
His father was Lazarus Hallgarten, founder of Hallgarten & Company, and his mother was Eleonore Hallgarten (born ...
(1838–1908), German-American banker, philanthropist and social reformer
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George W. F. Hallgarten (1901–1975), German-American historian
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