The subject of this article originates from non-canonical sources. To find out about what is considered "canon" see LOTR:Canon.
Orolonn was a Galadhrim Elven warrior from Lothlórien. He accompanied Haldir of Lorien to Helm's Deep with many Galadhrim Warriors to support King Theoden and the Rohirrim in defending the fortress from Saruman's army. That night, he was seen on top of the Deeping Wall where he stood behind Legolas, Gimli, and Fereveldir. He was among the combatants that were killed during the Battle of Helm's Deep.
- The elf warrior is portrayed by Jørn E. Benzon.
- He does not appear in the books.