| Ku Ix | |
| Ajaw | |
| Succession: | King of Copán |
| Reign: | 465-476 |
| Predecessor: | Ruler 3 |
| Successor: | Ruler 5 |
| Issue: | Ruler 5 |
| Father: | Ruler 3 |
| Birth Date: | 5th century |
| Birth Place: | Copán |
| Death Date: | 476 |
| Death Place: | Copán |
| Religion: | Maya religion |
Ku Ix was the fourth dynastic ruler Copan. Ku Ix built a new phase of Temple 26 at the city, over the Motmot phase, nicknamed Papagayo.[1]