| Orc Rank 3 Art | | This box contains arms and armor with a refreshed style. Tell us what you think of them! |
| Orc Rank 4 Art | | This box contains arms and armor with a refreshed style. Tell us what you think of them! |
| Orc Rank 5 Art | | This box contains arms with a refreshed style. Tell us what you think of them! |
| Orcrest Fragment | | This fragment of an ancient mural depicts the kingdom of Orcrest, known for its wily rogues and thieves. Return it to the House of Histories in Riverhold, in Northern Elsweyr. |
| Orcrest Quarantine Spaulders | Vesture of Darloc Brae | When you are up to your arms in the sick and the dead, these provide good protection. |
| Order of Diagna | | A Heavy Armor set found in Alik'r. |
| Order's Wrath | | A Crafted Armor set constructed in High Isle. |
| Order's Wrath Heavy Armor | | A Crafted Armor set constructed in High Isle. |
| Order's Wrath Jewelry | | A Crafted Armor set constructed in High Isle. |
| Order's Wrath Light Armor | | A Crafted Armor set constructed in High Isle. |
| Order's Wrath Medium Armor | | A Crafted Armor set constructed in High Isle. |
| Order's Wrath Weapons | | A Crafted Armor set constructed in High Isle. |
| Ordinator Boots | Night Mother's Embrace | In gratitude for service to the Tribunal and the city of Mournhold, this piece of Ordinator armor has been bestowed. |
| Ordinator Breastplate | Night Mother's Embrace | Almalexia gave you this breastplate for defeating Magistrix Vox at Eidolon's Hollow. |
| Ordinator Chausses | Night Mother's Embrace | You received these chausses for defeating Merdyndril, the creator of the Llodos plague, at the Obsidian Gorge. |
| Ordinator Helm | Night Mother's Embrace | Almalexia herself gave you this helm for defeating Vanus Sathram and saving the Tribunal Temple. |
| Ordinator Rerebrace | Night Mother's Embrace | You received this rerebrace for stopping the shipments of Llodos Plague from leaving the Obsidian Gorge. |
| Orgnum's Scales | | A Crafted Armor set constructed in the Earth Forge |
| Orgnum's Scales Heavy Armor | | A Crafted Armor set constructed in the Earth Forge |
| Orgnum's Scales Jewelry | | A Crafted Armor set constructed in the Earth Forge |
| Orgnum's Scales Light Armor | | A Crafted Armor set constructed in the Earth Forge |
| Orgnum's Scales Medium Armor | | A Crafted Armor set constructed in the Earth Forge |
| Orgnum's Scales Weapons | | A Crafted Armor set constructed in the Earth Forge |
| Orsinium Coffer | | This reward box might contain useful crafting materials, powerful set items, or even rarer treasures. |
| Orsinium Treasure Hunter's Parcel | | This container holds a selection of treasure maps, to be put to the test by would-be treasure hunters. |
| Orthelos' Torchstaff | Syrabane's Grip | This staff smolders brightly in the darkness. If kept alight for too long, the bearer begins to crave roasted acorns. |
| Other Cyrodiil Sets | | All other item sets, found in Cyrodiil. These are sets that do not fall into the usual Light, Medium or Heavy item set groups. |
| Othrelas Ancestral Tomb Rubbing | | A rubbing containing a clue to help locate the lost Library of Andule. Bring it to Librarian Bradyn in Vivec City, in Vvardenfell. |
| Overland Sets | | Contains all item sets found in Overland Zones (base game, DLC, and Chapter). |
| Overwhelming Surge | | A Light Armor set found in Tempest Island. |
| Ozezan's Glass Splinter | | Acquire and use the Ozezan's Glass Splinter along with the other nine Windglass Splinters to unlock the Relic Wind Slicer achievement as well as the Windglass relic and memento. |
| Ozzozachar's Claw | | |
| Ozzozachar's Tooth | | |
| Pact Shoulder Guards | Draugr's Heritage | Sturdy shoulder pieces designed for maximum protection. Awarded for recovering the amulets of the fallen in Trolhetta Cave. |
| Pact Signet | Draugr's Heritage | After you gathered Graveborn hearts to research their rituals, Belron thanked you with this reliable ring. |
| Pact Treasure Hunter's Parcel | | This container holds a selection of treasure maps, to be put to the test by would-be treasure hunters. |
| Pact-Keeper's Fervor | Macabre Vintage | Made from horn and sinew, this bow gleams with the passion of its wielder. |
| Pact's Arm Cops | Shield of the Valiant | |
| Pact's Axe | Vengeance Leech | |
| Pact's Band | Eagle Eye | |
| Pact's Beads | Vengeance Leech | |
| Pact's Belt | Shield of the Valiant | |
| Pact's Boots | Shield of the Valiant | |
| Pact's Bow | Eagle Eye | |
| Pact's Bracers | Shield of the Valiant | |
| Pact's Breeches | Buffer of the Swift | |
| Pact's Choker | Blessing of the Potentates | |
| Pact's Cuirass | Bastion of the Heartland | |
| Pact's Epaulets | Buffer of the Swift | |
| Pact's Gauntlets | Bastion of the Heartland | |