John Grogan (born 1957) is an American journalist and non-fiction writer.

John Grogan may also refer to:

• John Grogan (politician) (born 1961), former Labour Member of Parliament for Keighley
• John Grogan (hurler) (born 1956), Irish retired hurler
• John J. Grogan (1914–1968), American labor union leader and New Jersey politician
• John S. Grogan (1880–1952), American football, basketball, and baseball player and coach

• Grogan (surname)

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