Sihyaj Chan Kʼawiil II,[N 1] also known as Storm Sky and Manikin Cleft Sky (died 3 February 456), was an ajaw of the Maya city of Tikal.

He took the throne on 26 November 411 and reigned until his death.

[N 2][1] He was a son of his predecessor Yax Nuun Ahiin I and Lady Kʼinich, and a grandson of Spearthrower Owl.

Tikal Temple 33 was Sihyaj Chan Kʼawiil II's funerary pyramid and his tomb was located beneath it.

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