These are all the people whose names start with O who have ever received an award in Lochac, as far as the Canon database knows. Please notify the Canon Herald of any omissions or errors.
- Obbi austmannaskelfir (former/alternate name of Obbi illugi)
- Obbi illugi
- Oberon of Gildenwick
- Octavia Saturnina
- Octavius Theodorus
- Odd Armstrong (former/alternate name of Oddr Manaskagi)
- Odd Kraftarm (former/alternate name of Oddr Manaskagi)
- Oddi meinfretr Hafsson
- Oddkatla Knarrarbringa
- Oddleifr Hrafnson
- Oddny Olhildr
- Oddr Manaskagi
- Oddr Mattadaisson
- Oddr of Mordenvale
- Odette de la Rive
- Odo de la Montayne
- Odo of Ynys Fawr
- Oechine o Ran
- Oelke of Radburne
- Ogadi of the Oxes
- Oisin of Blessed Herman (former/alternate name of Oechine o Ran)
- Oksina Myshkina
- Olaf Gunnarson
- Olaf of Southron Gaard
- Olaf ole Gunnarson (former/alternate name of Gavriil Slotkovich)
- Olaf Ulfsson
- Olafr Hafrillugi
- Oláfr Thordarson
- Oleg Rusov (former/alternate name of Bran of Lochiel)
- Olekh of Kiev
- Olekh of Rowany (former/alternate name of Olekh of Kiev)
- Olfuss (former/alternate name of ThorolfR olfuss Brandsson)
- Olga of the Fogs
- Oliver Hawkins
- Oliver of Rowany
- Olivia dei Medici
- Olivia la Halconera
- Olivia of Bordescros
- Olivia of Krae Glas (former/alternate name of Olivia la Halconera)
- Olivia of Southron Gaard
- Ollie of Southron Gaard (former/alternate name of Magdalena de Narbonne)
- Ollivier Le Floch
- Olwyn Gwallt Coch
- Olwyn of Rowany
- Olwyn of Shelford (former/alternate name of Brynhildr Mús)
- Olwynn ni Chinnéidigh
- Olwynne of Shelford (former/alternate name of Brynhildr Mús)
- Olympia De Negropontie (former/alternate name of Oksina Myshkina)
- Olympia of Southron Gaard (former/alternate name of Oksina Myshkina)
- Ondott of Mordenvale
- Onora of the Turnips (former/alternate name of Annora Martin)
- Oonagh O'Neill of the Blue Myst
- Orbei Qorchi
- Order of the Valiant Swans of Aneala
- Orelia di Valenti
- Oriel de Geoffroy
- Oriel of the Gypsies
- Orion Aonghusson (former/alternate name of Hunter Aonghusson)
- Órlaith inghean Chathail (former/alternate name of Eleanor de Foresta)
- Orlanda de Bretagne
- Orlando de Lacy
- Orlando the Pure
- Orm the Emissary the Dragon
- Orm the Red
- Ormhildr Svartsdottir
- Ormr Ragnarsson
- Orreck Gryffyths
- Orri Vígleiksson
- Orric of Mordenvale (former/alternate name of Orri Vígleiksson)
- Orson the Unfashionable
- Osana of Stowe (former/alternate name of Osanna of Stowe)
- Osanna Katzgraw von der Tann
- Osanna of Stowe
- Osbert of Tewkesbury
- Oscar Clarke
- Osgot of Corfe
- Oskar der Drachen auf Klaagenfurt (former/alternate name of Oskar der Drachen auf Klagenfurt)
- Oskar der Drachen auf Klagenfurt
- Osric Caerfinn
- Osric gædeling
- Osric Godwineson (former/alternate name of Guillaume d'Oze)
- Osric of Lindisfarne
- Oswyn Carolus
- Oswyn Fitz Gibbon
- Ōtomo Hokky
- Ottilia Adelise von Grafenbach
- Ottilia Simion
- Otto Sex Burger
- Otto von Besenburg
- Owain Cantor ap Hughe
- Owain Cantor op Hugh (former/alternate name of Owain Cantor ap Hughe)
- Owen ap Cennydd
- Owen ap Dafydd
- Owen ap Owen
- Owen Lloyd Hywel (former/alternate name of Nicholas Bawcock of Petersfield)
- Owen of Dismal Fogs
- Owen of Mordenvale
- Owen of Torlyon
- Owen van Norden
- Owen von dem Noorden (former/alternate name of Owen van Norden)
- Özbeg Mangudai (former/alternate name of Özbeg of Gyldenholt)
- Özbeg of Gyldenholt
- Ozbeg the Mongol (former/alternate name of Özbeg of Gyldenholt)
- Oze (former/alternate name of Guillaume d'Oze)