Blanka is a feminine given name. Notable people with the name include:
Blanka of Namur (1320–1363), queen-consort of Sweden and Norway
Blanka Amezkua (born 1971), Mexican artist
Blanka Bíró (born 1994), Hungarian handball goalkeeper
Blanka Lipińska (born 1985), Polish erotic writer
Blanka Paulů (born 1954), Czech cross country skier
Blanka Pěničková (born 1980), Czech footballer
Blanka Říhová (born 1942), Czech immunologist
Blanka Stajkow (born 1999), Polish singer and model
Blanka Šrůmová (born 1965), Czech singer-songwriter
Blanka Szávay (born 1993), Hungarian tennis player, sister of Ágnes Szávay
Blanka Teleki (1806–1862), Hungarian noblewoman
Blanka Vlašić (born 1983), Croatian high jumper
Blanka Waleská (1910–1986), Czech actress
Blanka Wladislaw (1917–2012), Brazilian-Polish chemist
Blanka Zizka (born 1955), American theatre director
