Otto von Gierke
📍 Szczecin
Otto von Guericke
📍 Magdeburg
Otto von Habsburg
📍 Reichenau an der Rax
Otto von Kotzebue
📍 Tallinn
Otto von Lossow
📍 Hof
Otto von Münchhausen
📍 Hamelin
Ottokar Czernin
📍 Dymokury
Ottokar I of Bohemia
📍 Prague
Ottokar II of Bohemia
📍 Městec Králové
Ottomar Anschütz
📍 Leszno
Ottone Visconti
📍 Invorio
Ottorino Respighi
📍 Bologna
Ottorino Volonterio
📍 Orselina
Ottó Bláthy
📍 Tata
Ottó Boros
📍 Békéscsaba
Otylia Jędrzejczak
📍 Ruda Śląska
Otávio (footballer, born 1994)
📍 Maceió
Ouhoumoudou Mahamadou
📍 Amaloul Nomade
Ouida
📍 Bury St Edmunds
Oulaya Amamra
📍 Viry-Châtillon
Oumar Diakité
📍 Bingerville
Oumar Niasse
📍 Ouakam
Oumar Solet
📍 Melun
Oumarou Ganda
📍 Niamey
Oumou Sangaré
📍 Bamako
Ousmane Coulibaly
📍 Paris
Ousmane Dabo
📍 Laval
Ousmane Dembélé
📍 Vernon
Ousmane Diomande
📍 Abidjan
Ousmane Sembène
📍 Ziguinchor
Ousmane Sonko
📍 Thiès
Ousmane Viera
📍 Daloa
Oussama Assaidi
📍 Beni Boughafer
Oussama El Azzouzi
📍 Veenendaal
Oussama Haddadi
📍 Tunis
Oussama Idrissi
📍 Bergen op Zoom
Oussama Mellouli
📍 La Marsa
Oussama Tannane
📍 Tétouan
Outram Bangs
📍 Watertown
Ouyang Xiu
📍 Mianyang
Ouyang Xun
📍 Changsha
Ove Andersson
📍 Uppsala
Ove Grahn
📍 Hjo Municipality
Ove Høegh-Guldberg
📍 Horsens
Ove Kindvall
📍 Norrköping
Oveta Culp Hobby
📍 Killeen
Ovide Charlebois
📍 Oka
Ovide Decroly
📍 Ronse
Ovide Mercredi
📍 Grand Rapids
Ovidie
📍 Lille
Ovidiu Burcă
📍 Slatina
Ovidiu Cernăuțeanu
📍 Botoșani
Ovidiu Hațegan
📍 Arad
Ovidiu Hoban
📍 Baia Mare
Ovidiu Stîngă
📍 Craiova
Ovie Ejaria
📍 Southwark
Ovila Légaré
📍 Montreal
Owain Doull
📍 Cardiff
Owain Fôn Williams
📍 Penygroes
Owain Glyndŵr
📍 Sycharth Castle