Archbishop Bolesław Twardowski (Ukrainian: Болеслав Твардовський; Polish: Bolesław Twardowski; 18 February 1864 – 22 November 1944) was a Roman Catholic prelate, who served as an Auxiliary Bishop of the Roman Catholic Archdiocese of Lviv and a Titular Bishop of Telmessos from 14 September 1918 until 3 August 1923 and as the Metropolitan Archbishop of the same Archdiocese from 3 August 1923 until his death on 22 November 1944.