The Roman Catholic Diocese of Nezahualcóyotl () (erected 5 February 1979) is a suffragan diocese of the Archdiocese of Tlalnepantla.

Ordinaries José Melgoza Osorio (1979 - 1989) José María Hernández González (1989 - 2003) Carlos Garfias Merlos (2003 - 2010, appointed Archbishop of Acapulco) Héctor Luis Morales Sánchez (2011–present)

Territorial losses Year Along with To form 2003 Diocese of Valle de Chalco

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