Ronald G. Sheppard (August 17, 1939 â July 21, 2025) was an American politician who was a member of the 37th Legislature in the Oklahoma House of Representatives, representing District 28 (consisting of mostly Seminole County). He ran against the District 28 Incumbent Ryan Kiesel in 2008 and lost. Sheppard died on July 21, 2025, at the age of 85.