Olusegun Rahman Mimiko ; born 3 October 1954), is a Nigerian medical doctor and politician who served as governor of Ondo State from 2009 to 2017. He was the senatorial candidate of the Zenith Labour Party for Ondo Central District in the 2019 Senate elections. He served as the 16th and fifth civilian governor of Ondo State, the first two-term governor of Ondo State, and the first Labour Party governor in Nigeria. Mimiko was previously a federal minister for housing and urban development, a secretary to the Ondo State Government, and a two-time Ondo State Commissioner for Health.

Ondo State is a state in southwestern Nigeria. It was created on 3 February 1976 from the former Western State. It borders Ekiti State to the north, Kogi State to the northeast for 45 km, Edo State to the east, Delta State to the southeast for 36 km, Ogun State to the southwest for 179 km, Osun State to the northwest for 77 km, and the Atlantic Ocean to the south. The state's capital is Akure, the former capital of the ancient Akure Kingdom. The State includes mangrove-swamp forest near the Bights of Benin.