Stary Olsa (Belarusian: Стары Ольса) is a Belarusian medieval folk rock band, that plays medieval Ruthenian music of the Grand Duchy of Lithuania.

Stary Olsa is one of the few Belarusian bands enjoying popularity outside Belarus.

[2] The band has received numerous positive critical reviews.

[3] They are also known for covering modern rock tracks using their medieval instruments, and released a cover album, via a Kickstarter campaign, in 2016.

[4][5] The band was founded in 1999 by Źmicier Sasnoŭski.