|Intro||Tlatoque of Tlatelolco|
Tlacateotl (or Tlacateotzin) (died 1426) was the second ruler of the Aztec city of Tlatelolco.
He succeeded his father, Quaquapitzahuac, upon his death in 1407. He was a brother of the queens Matlalatzin and Huacaltzintli and grandson of the famous king Tezozomoc. He was also a cousin of Emperor Chimalpopoca and uncle of the prince Tezozomoc.
He was a father of the kings Tezozomoctli and Itzquauhtzin and grandfather of Quauhtlatoa. His wives were called Xiuhtomiyauhtzin and Xiuhcanahualtzin (this one was Tlacateotl's aunt).