451 Baby Names That Start With O (With Meanings and Popularity) - All Names

Oliver

Olivia

Ophelia

Oscar

Owen

Orion

Otto

Ottilie

Otis

Olive

Ozias

Odette

Orson

Oberon

Oona

Orla

Onyx

Oisin

Oren

Opal

Odin

Orlando

Octavia

Osiris

Oakley

Orpheus

Oriana

Orin

Oran

Ozzy

Odessa

Olympia

Ocean

Oslo

Odysseus

Odelia

Ollie

Octavius

Omri

Oswald

Olivier

Odile

Oisín

Oleander

Orhan

Odie

Ossian

Olga

Othniel

Omar

Ondine

Oskar

Orias

Obadiah

Oswin

Ozzie

Osian

Osias

Oriane

Ottoline

Onni

Orlaith

Ollivander

Odhran

Ophira

Orlo

Ozai

Oceane

Olwen

Octavio

Othello

Osric

October

Orville

Oksana

Olin

Oceana

Olena

Ostara

Osman

Oakes

Octavian

Oluwatobiloba

Orchid

Ovie

Obsidian

Orli

Names that start with O

Baby names for boys and girls that start with the letter O, including origin, meaning, and popularity. Top O names include Olivia and Oliver and trending baby names beginning with A include Odin and Ophelia. (All Names)