The Miss Ohio Pageant selects the representative for the state of Ohio in the Miss America pageant. The pageant is held annually, during the "Miss Ohio Festival" week, at the historic 1600 seat Renaissance Theatre in Mansfield, Ohio . Prior to 1975, the pageant was held in the Ballroom Pavilion at Cedar Point Amusement Park in Sandusky, Ohio .

Ohio representatives have won the Miss America Pageant six times, joining California and Oklahoma as the only states with six crowns, and is the only state to have a contestant who won Miss America twice:

• 1922 Mary Katherine Campbell , Columbus
• 1923 Mary Katherine Campbell , Columbus
• 1938 Marilyn Meseke , Marion
• 1963 Jacquelyn Mayer , Sandusky
• 1972 Laurie Lea Schaefer , Bexley
• 1978 Susan Perkins , Middletown

When city representatives were common at the national pageant, Mary Katherine Campbell competed in Miss America Pageants as "Miss Columbus Ohio".