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 Oto Bihalji-Merin (1904–1993), Serbian writer Oto Brunegraf (born 1972), Slovak football manager Oto Horvat (born 1967), Serbian poet Oto Iskandar di Nata (1897–1945), Indonesian freedom fighter Oto Kanno (born 2000), Japanese professional footballer 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 Michiei Oto, Japanese molecular biologist Nataniela Oto (born 1980), Tongan-Japanese rugby union player Razlan Oto (born 1984), Malaysian footballer
Fictional characters Oto Sakura, supporting character in the anime series You and Idol Pretty Cure
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