The Roman Catholic Diocese of Ecatepec (Latin: Dioecesis Ecatepecensis) (erected 28 June 1995) is a suffragan diocese of the Archdiocese of Tlalnepantla in Mexico. The see city is Ecatepec de Morelos in the state of Mexico.

• Onésimo Cepeda Silva (1995 - 2012)
• Oscar Roberto Domínguez Couttolenc, M.G. (2012 – 2024)

• "Diocese of Ecatepec". Catholic-Hierarchy. Retrieved 2007-02-08.

19°35′58″N 99°02′47″W / 19.5994°N 99.0463°W / 19.5994; -99.0463