Chichimecacihuatzin I (Nahuatl pronunciationⓘ) was a queen consort of Tenochtitlan and an Aztec empress.
[1] Chichimecacihuatzin was a daughter of King Cuauhtototzin, granddaughter of King Tezcacohuatzin, niece of Queen Miahuaxihuitl and cousin-wife of Emperor Moctezuma I.
It is possible that her sons were Princes Iquehuacatzin and Mahchimaleh.
Chichimecacihuatzin was a grandmother of Emperors Axayacatl, Tizoc, and Ahuitzotl and great-grandmother of Emperors Moctezuma II and Cuitláhuac.
Chichimecacihuatzin was also a grandmother of Queen Chalchiuhnenetzin.