Totoquihuatzin I was a tlatoani (ruler) of the pre-Columbian Tepanec altepetl (ethnic state) of Tlacopan in the Valley of Mexico.

[1][2] It was during the reign of Totoquihuatzin I that the foundation of the Triple Alliance was formed, including the distribution of territory and share of tribute between Tlacopan, Tenochtitlan and Texcoco.

[1] In 1440 Totoquihuatzin I participated in the selection of Moctezuma I to succeed Itzcoatl.

Then again in 1466 Totoquihuatzin I participated in the selection of Axayacatl to succeed Moctezuma I as the next tlatoani of Tenochtitlan.

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