General Orson Minott Oviatt (1799 – 1869) was a wealthy merchant, abolitionist, politician and military officer from Richfield, Ohio. He was the city postmaster for many years, county commissioner, and the cofounder the Academic Institution of Richfield. He gave land to the city and became the namesake of Oviatt-Newton Park. He was also the father-in-law of the Mayor of Cleveland, George W. Gardner, an early business partner of John D. Rockefeller.