| Ajaw | |
| Sihyaj Chan Kʼawiil II | |
| Succession: | King of Tikal |
| Reign: | 26 November 411 - 3 February 456 |
| Predecessor: | Yax Nuun Ahiin I |
| Successor: | Kʼan Chitam |
| Spouse: | Lady Ahiin |
| Issue: | Kʼan Chitam, King of Tikal Six Sky, King of Río Azul |
| Father: | Yax Nuun Ahiin I |
| Mother: | Lady Kʼinich |
| Death Date: | 3 February 456 |
| Death Place: | Tikal |
| Place Of Burial: | Temple 33 (Burial 48) |
| Signature: | Sihyaj Chan K'awiil II.svg |
Sihyaj Chan Kʼawiil II,[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.[2] [3] He was a son of his predecessor Yax Nuun Ahiin I and Lady Kʼinich, and a grandson of Spearthrower Owl. Stela 31, erected during his reign, describes the death of his grandfather in 439; other monuments associated with Sihyaj Chan Kʼawiil II are Stelae 1 and possibly Stelae 28. Tikal Temple 33 was Sihyaj Chan Kʼawiil II's funerary pyramid and his tomb was located beneath it.[4]