Platt is a given name. People with the name include:

Platt Adams (1885–1961), American athlete Platt Adams (politician) (1792–1887), American merchant and politician Platt D. Babbitt (1822–1879), American photographer Platt Gollings (1878–1935), English footballer Platt A. Preston (1837–1900), American politician Platt Rogers (1850–1928), American politician Platt Rogers Spencer (1800–1864), originator of Spencerian penmanship, a popular system of cursive handwriting Platt D. Walker (1849–1923), justice of the North Carolina Supreme Court Platt Whitman (1871–1935), American lawyer, banker, and politician

See also Platt (disambiguation) Platt (surname)