Tlacacuitlahuatzin (modern Nahuatl pronunciationⓘ) was the first ruler of Tiliuhcan, a pre-Columbian Tepanec altepetl (ethnic state) near Tlacopan.
His daughters Miyahuaxochtzin and Matlalxochtzin married Huitzilihuitl and Tlatolqaca (respectively), sons of Acamapichtli, the first king of Tenochtitlan.
[2] Another daughter, Tlacochcuetzin, married Aculnahuacatl Tzaqualcatl, the first king of Tlacopan.
[3] Upon his death, Tlacacuitlahuatzin was succeeded by Tzihuactlayahuallohuatzin, a son of Tezozomoc, the ruler of Azcapotzalco.
[4] Tlacacuitlahuatzin was a grandfather of the prince Huehue Zaca.