John Cowell may refer to:
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John Cowell (jurist)
John Cowell (1554 – 11 October 1611) was an English jurist.
Life
Born at Ernesborough (now Irishborough), in the parish of Swimbridge in North Devon. He was a chorister in the Choir of King's College, Cambridge and was then educated at Eton Co ...
(1554–1611), English jurist
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John G. Cowell (1785–1814), officer in the United States Navy
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John F. Cowell (1852–1915), American botanist
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John Cowell (RAF airman) (1889–1918), Irish World War I flying ace for No. 20 Squadron RAF
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John Clayton Cowell (1832–1894), British Army general and Master of the Queen's Household
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Jack Cowell (1887–?), English footballer
{{human name disambiguation, Cowell, John