John Glennon may refer to:
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John J. Glennon
John Joseph Glennon (June 14, 1862 – March 9, 1946) was a prelate of the Roman Catholic Church, serving as Archbishop of St. Louis from 1903 until his death in 1946. He was elevated to the cardinalate in 1946.
Early life and ministry
John Gle ...
(1862–1946), American, Roman Catholic Cardinal and Archbishop
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John Glennon (writer and actor) (born 1931), American stage actor, writer, screenwriter, and playwright
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John Alan Glennon (born 1970), American geographer and explorer
{{hndis, Glennon, John