Ravanna is a census-designated place in Mercer County, Missouri, United States. It is located about seven miles northeast of Princeton on U.S. Route 136. Its post office has closed, and mail now comes from Princeton. The population was 98 at the 2010 census.
Ravanna was founded in 1857.
- Ramsay, Robert L. (1952). Our Storehouse of Missouri Place Names. University of Missouri Press. p. 25.
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