title: John Langdon
text: # John Langdon
  
  John Langdon may refer to:
  
  * John Langdon (bishop) (died 1434), English Bishop of Rochester
  * John Langdon (driver) (born 1947), New Zealand harness race driver
  * John Langdon (historian) (1944–2016), Canadian historian
  * John Langdon (politician) (1741–1819), American politician from New Hampshire
  * John Langdon (typographer) (born 1946), American typographer known for his ambigrams
  