Yanka is a popular name in various cultures, often associated with different meanings and origins. In Slavic languages, it is a diminutive form of the name Yana, which itself is derived from John. The name is commonly used in countries like Russia, Poland, and Ukraine. In addition to being a personal name, Yanka can also refer to notable figures, such as Yanka Kupala, a famous Belarusian poet. His works are celebrated for their contributions to Belarusian literature and culture, reflecting the themes of national identity and folklore.