Otto the Great ♐ Sagittarius Otto van Veen ♑ Capricorn Otto von Below ♑ Capricorn Otto von Bismarck ♈ Aries Otto von Böhtlingk ♊ Gemini Otto von Emmich ♌ Leo Otto von Gierke ♑ Capricorn Otto von Guericke ♏ Scorpio Otto von Habsburg ♏ Scorpio Otto von Kotzebue ♑ Capricorn Otto von Lossow ♑ Capricorn Otto von Münchhausen ♊ Gemini Ottokar Czernin ♎ Libra Ottokar I of Bohemia ♑ Capricorn Ottokar II of Bohemia ♑ Capricorn Ottokar II of Styria ♐ Sagittarius Ottokar III of Styria ♑ Capricorn Ottomar Anschütz ♉ Taurus Ottone Visconti ♑ Capricorn Ottorino Respighi ♋ Cancer Ottorino Volonterio ♐ Sagittarius Ottó Bláthy ♌ Leo Ottó Boros ♌ Leo Otylia Jędrzejczak ♐ Sagittarius Otávio (footballer, born 1994) ♉ Taurus Ouhoumoudou Mahamadou ♑ Capricorn Ouida ♑ Capricorn Oulaya Amamra ♏ Scorpio Oumar Diakité ♐ Sagittarius Oumar Niasse ♈ Aries Oumar Solet ♒ Aquarius Oumarou Ganda ♑ Capricorn Oumou Sangaré ♒ Aquarius Ousmane Coulibaly ♋ Cancer Ousmane Dabo ♒ Aquarius Ousmane Dembélé ♉ Taurus Ousmane Diomande ♐ Sagittarius Ousmane Sembène ♑ Capricorn Ousmane Sonko ♋ Cancer Ousmane Viera ♐ Sagittarius Oussama Assaidi ♌ Leo Oussama El Azzouzi ♊ Gemini Oussama Haddadi ♒ Aquarius Oussama Idrissi ♓ Pisces Oussama Mellouli ♒ Aquarius Oussama Tannane ♈ Aries Outram Bangs ♑ Capricorn Ouyang Xiu ♌ Leo Ouyang Xun ♑ Capricorn Ove Andersson ♑ Capricorn Ove Grahn ♉ Taurus Ove Høegh-Guldberg ♍ Virgo Ove Kindvall ♉ Taurus Oveta Culp Hobby ♑ Capricorn Ovide Charlebois ♒ Aquarius Ovide Decroly ♌ Leo Ovide Mercredi ♒ Aquarius Ovidie ♍ Virgo Ovidiu Burcă ♓ Pisces Ovidiu Cernăuțeanu ♍ Virgo