Tecollotzin was a Tlatoque (ruler) of Coyoacán altepetl in 15th century Mexico.
He was a son of the Maxtla, the ruler of Coyoacán, and grandson of ruler Tezozomoc and Tzihuacxochitzin I.
[1] His aunt was Ayauhcihuatl (Aztec "empress") and his uncle was Quaquapitzahuac.
Upon Tezozomoc's death in the year Twelve Rabbit (1426), his son Tayatzin became a king, but Maxtla seized power at Azcapotzalco, leaving the rulership of Coyoacán to Tecollotzin.
[2]