Bolesław Hieronim Kłopotowski (13 March 1848 – 24 February 1903) was a Roman Catholic Archbishop of Mohilev from 1901 until his death in 1903.

[2] In 1874, Kłopotowski was appointed a professor of the diocesan seminary of Zhytomyr, where he taught the Latin language as well as moral theology and church history.

He was later appointed a professor of the Saint Petersburg Roman Catholic Theological Academy on 17 December 1877, where he taught church history and canon law for 20 years.

[6] He was appointed auxiliary bishop of Lutsk and Zhytomyr, as well as titular bishop of Eleutheropolis, by Pope Leo XIII on 2 August 1897; he was consecrated on 21 November 1897 in the Catholic Church of St. Catherine of Alexandria by Mečislovas Leonardas Paliulionis, co-consecrated by Antanas Baranauskas and Kazimierz Ruszkiewicz.

He was appointed archbishop of Mohilev on 15 April 1901, receiving his pallium in the Church of St. Catherine in Saint Petersburg on 23 June of the same year.