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Charles F. Grainger
Grainger, c. 1913
31st Mayor of Louisville
In office 1901–1905
Preceded by	Charles P. Weaver
Succeeded by	Paul C. Barth
Personal details
Born	(1854-01-23)January 23, 1854 Louisville, Kentucky, U.S.
Died	April 13, 1923(1923-04-13) (aged 69) Louisville, Kentucky, U.S.
Resting place	Cave Hill Cemetery Louisville, Kentucky, U.S.
Political party	Democratic Party

Charles F. Grainger (January 23, 1854 – April 13, 1923) was mayor of Louisville, Kentucky from 1901 to 1905. He became president of Grainger & Company, his family's iron foundry.

He was elected to the Board of Aldermen representing the Seventh Ward in 1890. He became board president in 1893, and was quite powerful in the Democratic Party, temporarily eclipsing long-time party boss John Henry Whallen. Grainger was elected mayor in 1901.

During his term as mayor, the Jefferson County Armory was built, as was a new jail building and the main branch of the Louisville Free Public Library. After his term as mayor he became president of the Louisville Water Company.

He was president of the Louisville Jockey Club from 1902 to 1918. As President, he purchased the Churchill Downs in 1905. He served as manager of the famous facility from 1918 until his death. He is credited with helping build the prominence of the Kentucky Derby, increasing the purse from five to fifty thousand dollars during his term. He also introduced the first parimutuel betting system in the United States.

He died on April 13, 1923, of heart disease, and was buried in Cave Hill Cemetery.

• "Grainger, Charles F.". The Encyclopedia of Louisville. 2001.
• Yater, George H. (1987). Two Hundred Years at the Fall of the Ohio: A History of Louisville and Jefferson County (2nd ed.). Louisville, KY: Filson Club, Incorporated. ISBN 978-0-9601072-3-0.