Oyo can refer to:In Nigeria: The Oyo Empire or Kingdom, a former West-African empire that covered parts of modern-day Nigeria and Benin Oyo State, a present-day state of Nigeria named after the Oyo Empire Oyo, a city in Oyo State founded in the 1830s as the capital of the Oyo Kingdom (Old) Oyo, or Katunga or Oyo-Ile was the capital city of the Oyo Kingdom until destroyed by the Fulani in the 1830s. Elsewhere: Oyo (Congo), a city located in the Republic of the Congo… (More on Oyo)