John Langdon may refer to:
- John Langdon (politician) (1741–1819), American politician from New Hampshire
- John Langdon (typographer) (born 1946), American typographer known for his ambigrams
- John Langdon Down (1828–1896), doctor
- John Langdon (bishop) (died 1434), English Bishop of Rochester
- John Langdon (driver) (born 1947), New Zealand harness race driver
Famous quotes containing the word john:
“Despite everybody who has been born and has died, the world has just gone on. I mean, look at Napoleon—but we went right on. Look at Harpo Marx—the world went around, it didn’t stop for a second. It’s sad but true. John Kennedy, right?”
—Bob Dylan [Robert Allen Zimmerman] (b. 1941)