Platt is a given name. People with the name include:
- Platt Adams (1885âÂÂ1961), American athlete
- Platt Adams (politician) (1792âÂÂ1887), American merchant and politician
- Platt D. Babbitt (1822âÂÂ1879), American photographer
- Platt Gollings (1878âÂÂ1935), English footballer
- Platt A. Preston (1837âÂÂ1900), American politician
- Platt Rogers (1850âÂÂ1928), American politician
- Platt Rogers Spencer (1800âÂÂ1864), originator of Spencerian penmanship, a popular system of cursive handwriting
- Platt D. Walker (1849âÂÂ1923), justice of the North Carolina Supreme Court
- Platt Whitman (1871âÂÂ1935), American lawyer, banker, and politician
See also