John Thayer
# John Thayer

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
