Josiah Quincy

Josiah Quincy may refer to:


 * Josiah Quincy I (1710–1784), American merchant, planter, soldier, and politician
 * Josiah Quincy II (1744–1775), American lawyer and patriot
 * Josiah Quincy III (1772–1864), American educator and political figure, mayor of Boston, 1823–1828
 * Josiah Quincy Jr. (1802–1882), American politician, mayor of Boston, 1845–1849
 * Josiah Quincy (1859–1919), American politician from Massachusetts, mayor of Boston, 1896–1900
 * Josiah Quincy (New Hampshire politician) (1793–1875), American politician and lawyer in New Hampshire