Others
- John Ellis (religious writer) (1598/99–1665), Welsh priest
- John Ellis (theologian) (c. 1606–1681), English priest
- John Ellis (antiquarian) (1634–1735), Welsh priest, rector of Llanbedr-y-Cennin
- John Ellis (official) (c. 1643–1738), English administrator and MP
- John Ellis (executioner) (1874–1932), executioner in the employ of the British government in the early 20th century
- John Ellis (Canadian musician), Canadian blues guitarist
- John Ellis (guitarist) (born 1952), founding member of the 1970s punk band The Vibrators
- John R. Ellis (born 1955), American filmmaker and special effects artist
- John Ellis (South African musician) (born 1972), singer, songwriter and guitarist with Tree63
- John Tracy Ellis (1905–1992), Catholic Church historian
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