Joseph-Marie Trịnh Văn Căn

Joseph-Marie Trịnh Văn Căn (19 March 1921 – 18 May 1990) was a Vietnamese cardinal of the Catholic Church. He was the Archbishop of Hanoi from 1978 until his death. He was created a cardinal in 1979 by Pope John Paul II.

Căn was born in Ha Nam. In 1949, he was ordained a priest. In 1963, Pope John XXIII appointed him to be a Titular Archbishop of Aela and Coadjutor Archbishop of Hanoi. Căn became Archbishop of Hanoi in 1978, after the death of Joseph-Marie Trịnh Như Khuê, and died on May 18, 1990, after a heart attack, and was succeeded by Paul Joseph Phạm Đình Tụng.