John Brenner may refer to:

• John Lewis Brenner (1832–1906), United States Representative from Ohio
• John Brenner (athlete) (born 1961), American track and field athlete
• John S. Brenner (born 1968), mayor of York, Pennsylvania
• John Brenner, singer and guitarist with Revelation
• John W.O. Brenner (1874–1962), Lutheran pastor and president of the Wisconsin Evangelical Lutheran Synod, 1933–1953
• Johnny Brenner (born 1971), Irish hurling player

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