late 12th and early 13th centuries) was a Maya general from Telchaquillo who conquered Chichen Itzá and founded the Cocom dynasty.
He went on, under the sponsorship of Ah Mex K'uuk, to become lord of Mayapan, a city which, along with Chichen Itzá and Uxmal, ruled northern Yucatan (Chapter II, "The Rise of Hunac Ceel" in the Chilam Balam of Chumayel.
[a] With the assistance of highland forces, he attacked Chichen Itzá, overthrowing the local ruling elite and establishing Mayapan as the sole ruler of the region.
Ralph L. Roys, in his commentary on the Book of Chilam Balam of Chumayel posits the interpretation that someone from Chichen Itzá stole away with the bride of Ah Ulil, the ruler of Izamal.
[1] The main source describing Hunac Ceel's conspiracy and conquest is the Books of Chilam Balam, especially the Books of Chilam Balam of Mani and of Chumayel, which describe Hunac Ceel as using treachery to drive Chac-Xib-Chac out of Chichen Itzá in the year Tun 10 of Katun 8 Ahau, accompanied by the depopulation of the city and of his rise to power resulting from the event at the cenote.