Louis-Jean Guyot (born 7 July 1907 in Bordeaux in France, died 1 August 1988 in Bordeaux) was a cardinal of the Catholic Church, and archbishop of Toulouse 1966–1978. He was made cardinal in 1973 by Pope Paul VI. He took part in the August 1978 Conclave which elected Pope John Paul I, and in the October 1978 Conclave which elected Pope John Paul II.