Loreon IV Lannister
|Full Name||Loreon Lannister, the Fourth of His Name|
|Alias||Loreon the Lackwit|
|Other Titles||King of the Rock|
|Royal House||House Lannister|
|Books||The World of Ice & Fire (mentioned)|
Loreon IV Lannister, formally styled Loreon Lannister, the Fourth of His Name and better known as Loreon the Lackwit, was a King of the Rock of House Lannister of Casterly Rock. He was weak, cruel and feeble. He was the grandfather of Loreon V Lannister.