There are several artists called Blanka:
1) Blanka Stajkow (Bulgarian: Бланка Стайков; born 23 May 1999 in Szczecin, Poland) is a Polish singer and model. She represented Poland in the Eurovision Song Contest 2023 with the song "Solo", finishing in 19th place.
2) Blanka is Swedish progressive rock band that became popular in 2002 when their song 'I smell of you' was in the movie Lilya 4-ever made by Lukas Moodysson. They released a self-titled EP in 2003 and the album Paloma Blanka in 2004, both on the Diapazam label. Read more on Last.fm