Yanka Kupala (Janka Kupała, Belarusian: Я́нка Купа́ла; July 7 1882 – June 28, 1942) – was the pen name of Ivan Daminikavich Lutsevich (Belarusian: Іва́н Даміні́кавіч Луцэ́віч), a Belarusian poet and writer. Kupala is considered one of the greatest Belarusian-language writers of the 20th century.