| Type: | Cardinal |
| Honorific-Prefix: | His Eminence |
| Louis-Jean Guyot | |
| Cardinal, Archbishop of Toulouse | |
| Church: | Roman Catholic |
| Archdiocese: | Toulouse |
| Term Start: | 1966 |
| Term End: | 16 November 1978 |
| Predecessor: | Jules-Géraud Saliège |
| Successor: | André Charles Collini |
| Other Post: | Cardinal-Priest of Sant’Agnese fuori le mura |
| Ordination: | 29 June 1932 |
| Consecration: | 4 May 1949 |
| Cardinal: | 5 Mar 1973 |
| Created Cardinal By: | Paul VI |
| Rank: | Cardinal-Priest |
| Birth Date: | 1905 7, df=yes |
| Birth Place: | Bordeaux France |
| Death Place: | Bordeaux France |
| Buried: | Toulouse Cathedral |
| Nationality: | French |
| Partner: | --> |
| Previous Post: | Bishop of Coutances (1950–1966) |
| Coat Of Arms: | Coat of arms of Louis-Jean Guyot.svg |
Louis-Jean Guyot (7 July 1905 in Bordeaux in France – 1 August 1988 in Bordeaux) was a cardinal of the Catholic Church, and archbishop of Toulouse in 1966–1978.
In 1935 Guyot obtained a Doctorate in Sacred Theology from the Pontifical University of St. Thomas Aquinas, Angelicum with a dissertation entitled L'incorporation au Christ par les sacrements d'après la doctrine de st. Thomas.[1]
He was made cardinal in 1973 by Pope Paul VI, named the cardinal-priest of Sant'Agnese fuori le mura.[2]
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.