Tan Teü Küinich was a Maya king of the ancient city of Aguateca, in the Petén Department of modern Guatemala.
He was born on January 22, 748. His father was the king Uchaüan Küan Büalam.
Aguateca Stela 19 records a battle that he fought in 778 and also mentions his father.
In 802 Tan Teü Küinich presided over a ceremony performed by Lachan Küawiil Ajaw Bot at La Amelia.