Janka is a given name or surname of Slavic, ultimately Hebrew origin.
Janka may also refer to: Janka, Contai, settlement in Contai subdivision, West Bengal, India Janka (Tampere), a suburb in Tampere, Finland Janka hardness test, test for wood Janka, original name of Janna (TV series), a German-Polish children's television series
See also Yanka (disambiguation)