John Hassell (c. 1767 – 1825) was an English painter, engraver, illustrator, and writer.

John Hassell may also refer to:

• John Hassell (settler) (1788–1883), Australian pastoralist
• John Frederick Tasman Hassell (1839–1919), Australian politician

• Jon Hassell (1937–2021), American trumpet player and composer
• John Hassall (disambiguation)

This disambiguation page lists articles about people with the same name.
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