Winona is an unincorporated community in southeastern Butler Township, Columbiana County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 44493. The Winona post office was opened in 1868.
Winona is named after the character Wenonah in the 1855 epic poem The Song of Hiawatha by Henry Wadsworth Longfellow.
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- ^ McCord, William B. (1905). History of Columbiana County, Ohio and Representative Citizens. Biographical Publishing Company. p. 268.
- ^ Mack, Horace (1879). History of Columbiana County, Ohio: With Illustrations and Biographical Sketches of Some of Its Prominent Men and Pioneers. Unigraphic. p. 99.