John Thayer may refer to:

Politicians

• John R. Thayer (1845–1916), member of the United States House of Representatives from Massachusetts
• John A. Thayer (1857–1917), member of the United States House of Representatives from Massachusetts
• John Milton Thayer (1820–1906), United States Senator from Nebraska and Civil War general

Others

• John Thayer (priest) (1755–1815), Boston priest
• John B. Thayer (1862–1912), American cricketer and businessman who died on the RMS Titanic
• Jack Thayer (1894–1945), his son, survivor of the Titanic sinking
• Jack G. Thayer (1922–1995), American radio executive and disc jockey
• John Thayer (ornithologist) (1862–1949), American amateur ornithologist
• John M. Thayer (judge), Connecticut Supreme Court judge

See also

• John Theyer (1597–1673), English royalist lawyer and writer, antiquary and bibliophile
• Thayer (disambiguation)

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.