Latin Octāvius

→ English Octavia (mention)

→ English Octavius (mention)

→ English Octavian (mention)

→ Catalan Octavi (derived)

→ Catalan Octàvia (mention)

→ Spanish Octavio (borrowed)

→ Ancient Greek Ὀκταούιος (borrowed)

→ Ancient Greek Ὀκταουιανός (link)

→ Latin octavius (mention)

→ Portuguese Otávio (borrowed)