Kazimierz Dmochowski (24 June 1779 – 11 January 1851) was a Roman Catholic archbishop of the Archdiocese of Mohilev from 1848 until his death in 1851.

[2] In 1814, Dmochowski was appointed deputy of the ecclesiastical court at Vilnius and member of its cathedral council.

[4] Dmochowski later served at the Roman Catholic Ecclesiastical College in St. Petersburg [ru] from 1821 to 1823, when he was appointed dean of the cathedral chapter at Vilnius.

[3] On 3 July 1848, Dmochowski was appointed by Pope Pius IX as archbishop of the Archdiocese of Mohilev.

He received his pallium at the Church of St. Catherine on 28 November 1848, and ceremonially assumed control of the Archdiocese at Mohilev Cathedral on 17 July 1849.