Yanka is a Slavic name, a diminutive of the given name Yan, a transliteration of the name "Ян" (Jan). Notable people with the name include:
Yanka Bryl, Belarusian writer Yanka Dyagileva (1966–1991), Russian poet and singer-songwriter Yanka Kanevcheva (1878–1920), Bulgarian revolutionary Yanka Kupala (1882–1942), pen name of Ivan Daminikavich Lutsevich, Belarusian poet and writer Yanka Maur (1883–1971), Belarusian writer
See also
Mar R. Yanka, alternative name of Natronai ben Nehemiah, Gaon of Pumbedita from 719 to 730 Serbo-Croatian Janko, Hebrew Janka, or Bulgarian Yanko