Polish Radio Wilno (Polish: Polskie Radio Wilno) was a station of the Polish Radio, located in the city of Wilno (now Vilnius, Lithuania), which in the interbellum period belonged to the Second Polish Republic. Irregular daily broadcasts began on November 28, 1927, and on December 4, 1927, the station began its normal operation. Official opening ceremony took place on January 15, 1928. Original frequency was 690 kHz, but it was changed several times, and since mid-1930s, until the outbreak of World War II, the frequency was 536 kHz.