John J. Barton (June 23, 1906 – May 4, 2004) was an American politician who served one term as mayor of Indianapolis. During his time in office, plans were made for the construction of the Indiana Convention Center. He was defeated for re-election by Indianapolis Board of School Commissioners member and future United States Senator Richard Lugar in 1967. Barton was the last Indianapolis mayor whose time in the office was entirely before the consolidation of Indianapolis with Marion County under Unigov. Barton was an alumnus of Purdue University (class of 1930) and served in the military in World War II. He died on May 4, 2004, aged 97.

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