Krasnopol ([krasˈnɔpɔl]; Lithuanian: Krasnapolis) is a village in Sejny County, Podlaskie Voivodeship, in north-eastern Poland. It is the seat of the gmina (administrative district) called Gmina Krasnopol. It lies approximately 11 kilometres (7 mi) west of Sejny and 111 km (69 mi) north of the regional capital Białystok.

Krasnopol was founded in 1770 on the order of Antoni Tyzenhauz in the Opidemie forest on the road from Sejny to Wigry and Suwałki. It was probably granted town privileges in 1782.

• Krasnopol (weapon system)

• VLKK (2002). "Atvirkštinis lietuvių kalboje vartojamų tradicinių Lenkijos vietovardžių formų sąrašas" (PDF). VLKK (in Lithuanian).