Pyriatyn National Nature Park (Ukrainian: Пирятинський національний природний парк) is a national park of Ukraine that covers a portion of the Uday River valley in the north central part of the country. It provides nature conservation and recreation on the terraces and floodplains of the river. The park is about 130 km east of Kyiv, and is in the administrative district of Pyriatyn in Poltava Oblast.