The Roman Catholic Diocese of San Jacinto () is located in the town of Yaguachi, Ecuador. It is a suffragan see to the Archdiocese of Guayaquil.
History On 4 November 2009, Pope Benedict XVI established the Diocese of San Jacinto de Yaguachi from the Archdiocese of Guayaquil.
Ordinaries Aníbal Nieto Guerra, OCD (4 Nov 2009 – 31 Jan 2025) Gustavo Adolfo Rosales Escobar (31 Jan 2025 – present)
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