Ponorogo Regency is an inland regency of East Java Province of Indonesia. It is considered the birthplace of Reog Ponorogo, a traditional Indonesian dance form. The regency covers an area of 1,371.78 km2, and it had a population of 855,281 at the 2010 census and 949,318 at the 2020 census; the official estimate as of mid-2023 was 959,500.