Kazimierz Wielikosielec, a Belarusian Roman Catholic prelate, died on February 8, 2026.
He was 80. Born in Staravolia in the Byelorussian SSR, he was a Dominican who studied at the seminary in Riga and was ordained a priest in 1984 by Cardinal Julijans Vaivods.
He served as Vicar General and dean of the Diocese of Pinsk deanery in Baranavichy from 1992, became an auxiliary bishop of the Diocese of Pinsk in 1999, and was appointed Apostolic Administrator of the Archdiocese of Minsk–Mohilev in January 2021.
Kazimierz Wielikosielec (Belarusian: Казімір Вялікаселец, Kazimir Vialikaselets; 5 May 1945 – 8 February 2026) was a Belarusian prelate of the Catholic Church and a Dominican. From 1992, he was the Vicar General and Dean of the Diocese of Pinsk deanery in Baranavichy, and from 1999 an auxiliary bishop of the Diocese of Pinsk. In January 2021, he was appointed Apostolic Administrator of the Archdiocese of Minsk–Mohilev.