Oto is a given name and surname. As a given name it is related to the name Otto. Notable people with the name include:
Given name
edit- Oto Horvat (born 1967), Serbian poet
- Oto Iskandar di Nata (1897–1945), Indonesian freedom fighter
- Oto Luthar (born 1959), Slovenian historian
- Oto Pestner (born 1956), Slovenian singer and composer
- Oto Pustoslemšek (born 1943), Slovenian alpine skier
- Oto Seviško (1892–1958), Latvian sprinter
Surname
edit- Michiei Oto, Japanese molecular biologist
- Nataniela Oto (born 1980), Tongan-Japanese rugby union player
- Razlan Oto (born 1984), Malaysian footballer