Sydir Tverdokhlib (Ukrainian: Сидір Антонович Твердохліб; 9 May 1886, Berezhany - 15 October 1922, Kamionka Strumiłowa) was a Ukrainian poet, translator and politician. He studied at the University of Lviv and the University of Vienna, later he worked as a teacher in Lviv. He belonged to the modernist artistic movement of Moloda muza [ukr], and Dmytro Dontsov. Tverdokhlib's first poems appeared in the magazines "Svit" (1906), "Bukovyna", "Rozvaha" and others. He published a separate collection of poems V svichadi plesa (1908). He also wrote the novels Neskinchenyy arkhytvir and others. Tverdok