Matlaccohuatl was the third Tlatoani (ruler) of Ecatepec, a Nahua altepetl.

He was a successor of the tlatoani Tezozomoc, who was a son of tlatoani Chimalpopoca, ruler of Tenochtitlan.

His daughter was Teotlalco, wife of an tlatoani Moctezuma II and mother of Isabel Moctezuma.

[1][2] The successor of Matlaccohuatl in Ecatepec altepetl was Chimalpilli II.