Oryol State University or Turgenev State University of Oryol, officially Orel State University named after I.S. Turgenev (OSU; Russian: Орловский государственный университет имени И.С. Тургенева, Orlovskiy gosudarstvenniy universitet imeni I.S. Turgeneva; often abbreviated ОГУ, OGU), formerly Oryol State Pedagogical Institute, is a university in Central Federal district of Russia in the city Oryol (or Orel) which is the Administrative centre of Oryol Oblast (or Orel region).