Anime starting with O

Oban Star-Racers

Series · 2006SUB 26

Little Pollon

Ochamegami Monogatari: Korokoro Poron

Series · 1982SUB 2

The Ambition of Oda Nobuna

Oda Nobuna no Yabou

Series · 2012SUB 12DUB 12

Little Shark's Day Out Season 2

Odekake Kozame Season 2

Short series · 2026SUB 19

Oideyo Mahou Shoujo-mura (Fuhou Senkyo)

Short series · 2025SUB 13

Oishinbo

Series · 1988SUB 60

Magical DoReMi

Ojamajo Doremi

Series · 1999SUB 51DUB 51

Ojamajo Doremi Na-i-sho

OVA · 2004SUB 13

Uncle's Obsession with Cute Things

Ojisan wa Kawaii Mono ga Osuki.

Series · 2026SUB 6

On Your Mark

On Your Mark: CHAGE & ASKA

Music video · 1995SUB 1

ONE PIECE

Series · 1999SUB 1180DUB 1158

ONE PIECE FAN LETTER

Special · 2024SUB 1

One Piece: Heroines

ONE PIECE HEROINES

Special · 2026SUB 1DUB 1

One Piece: Dr. Chopper's Adventure Checkup - Good Friends at a Crossroad

One Piece: Dr. Chopper no Bouken Karte - Shinyuu-tachi no Crossroad

Special · 2025SUB 1

One-Punch Man

One Punch Man

Series · 2015SUB 12DUB 12

One Punch Man Season 3 Part 2

One Punch Man 3 Part 2

Series

One Punch Man 3: Specials

One Punch Man Specials 3rd Season

Special · 2025SUB 1

Onee-chan ga Kita: Hajimete no… Kitaa!

OVA · 2014SUB 1

The Ogre's Bride

Oni no Hanayome

Series · 2026SUB 12

Onihei

Series · 2017SUB 13DUB 13

Onmyo Kaiten Re:Birth Verse

Onmyo Kaiten Re:verse

Series · 2025SUB 12DUB 12

Ookami to Koushinryou: MERCHANT MEETS THE WISE WOLF 2nd Season

Series

Ōoku: The Inner Chambers

Oooku

ONA · 2023SUB 10DUB 10

Orange

Series · 2016SUB 13DUB 13