| Type: | priest |
| Joaquín Sáenz y Arriaga | |
| Ordination: | 30 de Abril de 1930 |
| Ordained By: | Por Francisco Orozco e Jiménez, templo de São Felipe de jesus. Cidade do México |
| Birth Date: | 12 October 1899 Morélia |
| Birth Place: | Mexico |
| Death Date: | 28 April 1976 (aged 76) cidade do |
| Death Place: | Mexico |
| Buried: | Panteón Francés de la Piedad |
| Nationality: | Mexicano |
| Parents: | Rafael Sáenz y Arriaga, Madalena burga de Sáenz |
| Profession: | Theologian |
| Education: | Theology |
| Alma Mater: | Universidade gregoriana, Roma. |
Joaquín Sáenz y Arriaga (12 October 1899 - 28 April 1976) was a Mexican Catholic priest and theologian sedevacantist.
In response to Sáenz's excommunication, Father Moisés Carmona, Sáenz's associate and disciple, wrote:
In the 1970s, Sáenz, together with Carmona and Father Adolfo Zamora, founded the Unión Católica Trento (Tridentine Catholic Union).[1]
In his last testament, written on 25 April 1976, Sáenz wrote:
and he added:
He died of prostate cancer, three days after, on 28 April 1976.[2]