Ryżówka [rɨˈʐufka], is a village in the administrative district of Gmina Krasnopol, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland.

The faithful of the Roman Catholic Church belong to the parish of the Immaculate Conception of the Blessed Virgin Mary in Wigry.

[4] The village is situated on the border of the Suwalki Landscape Park.

The village buildings adjoin Lake Dowcień, a body of water surrounded by fields and oak-hornbeam forests.

In 1827 it was recorded that the population of the village numbered at 13 and 2 homes and in 1889 it was numbered at 63 people and 4 homes[5] On 23 February 1944, near the village there was fighting between Polish partisans and German soldiers.