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

• Josiah Quincy House, home of Josiah Quincy I
• Quincy Mansion, also known as the Josiah Quincy Mansion, a summer home built by Josiah Quincy Jr.
• Quincy Market, market complex in Boston, named in honor of Josiah Quincy III
• Quincy political family
• Quincy House (Harvard College), one of twelve undergraduate residential Houses at Harvard University.

Topics referred to by the same term

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