Oki, Ōki, Ooki or Ohki (written: 大木 lit. "big tree") is a Japanese surname. Notable people with the surname include:
*, Japanese comedian
*, Japanese engineer
*, Japanese statesman
*, South Korean professional wrestler
*, Japanese composer
*, Japanese singer
*, Japanese footballer
*, Japanese sprinter
*, Japanese footballer
*, Japanese statesman
*, Japanese footballer and manager
*, Japanese voice actor
*, Japanese AV actor and singer
Fictional characters:
*, a character in the manga series ''Battle Royale''
*, a character in the manga series ''
Kodomo no Omocha''
Oki (written: 沖 lit. "open sea") is also a separate Japanese surname. Notable people with the surname include:
*, Japanese jazz musician
*, Japanese voice actress
*, Japanese businessman
*, Japanese actor and singer
*, Japanese cyclist
{{surname
Japanese-language surnames