List of museums in Ohio

This list of museums in Ohio is a list of museums, defined for this context as institutions (including nonprofit organizations, government entities, and private businesses) that collect and care for objects of cultural, artistic, scientific, or historical interest and make their collections or related exhibits available for public viewing. Museums that exist only in cyberspace or on the Internet (i.e., virtual museums) are not included. Also included are non-profit and university art galleries.
 * See also List of museums in Cincinnati.
 * See also List of museums in Cleveland.
 * See also List of museums in Columbus, Ohio.

Defunct museums

 * American Gas Pump Heaven, Dover, closed in 2016
 * America's Ice Cream & Dairy Museum, Medina, closed in 2010
 * Cleveland Health Museum, AKA HealthSpace Cleveland, merged in 2007 with the Cleveland Museum of Natural History
 * Degenhart Paperweight and Glass Museum, Cambridge, closed in 2011, portion of the collection relocated to the Museum of American Glass located in Weston, WV
 * Ely Chapman Foundation West African Museum, Marietta
 * Hauck House Museum, Cincinnati, no longer open as a museum
 * Hopalong Cassidy Museum, Cambridge, destroyed by fire in 2016
 * Inland Seas Maritime Museum, Vermilion, closed in 2012 in as the Great Lakes Historical Society prepares to open the National Museum of the Great Lakes in Toledo, Ohio in 2013
 * Kern-Harrington Museum, Plain Township, formerly operated by the New Albany-Plain Township Historical Society
 * Lake Shore Electric Railway
 * Little Italy Heritage Museum, closed in 2007
 * Marietta Soda Fountain & Museum, Marietta
 * National Cartoon Museum
 * National Inventors Hall of Fame, Akron, moved to Alexandria, Virginia
 * Sara Rose Museum, Sabina
 * Trapshooting Hall of Fame & Museum, Vandalia, moved to Sparta, Illinois,
 * USS Radford National Naval Museum, Newcomerstown, closed in 2011, contents now at the USS Orlect Naval Museum in Lake Charles, Louisiana
 * Viets House Museum, Cortland, formerly operated by the Cortland-Bazetta Historical Society, closed in 2011
 * Western Reserve Model Railroad Museum, Mentor, closed in 2011

Regions
The regional column in the table features designations used by the Ohio Museum Association:
 * Central—including Columbus
 * Northeast—including Cleveland
 * Northwest—including Toledo
 * Southeast
 * Southwest—including Cincinnati & Dayton