Horace Mann (1796–1859) was an American education reformer.
Horace Mann may also refer to:
Sir Horace Mann, 1st Baronet (1706–1786), diplomat, longstanding British resident in Florence, known for his correspondence with Horace Walpole Sir Horatio Mann, 2nd Baronet (1744–1814), member of Parliament and cricket patron, nephew of Sir Horace Mann, 1st Baronet Horace Mann Jr. (1844–1868), American botanist Horace Kinder Mann (1859–1928), British papal historian Horace Mann Towner (1855–1937), American politician Horace Mann Bond (1904–1972), American historian and father of civil-rights leader Julian Bond
See also Horace Mann Historic District, Gary, Indiana, United States Horace Mann, Indiana, one of the former neighborhoods forming Ambridge Mann neighborhood, Indiana, United States Horace Mann School (disambiguation) Horace Mann Educators Corporation