Otaka, Ōtaka or Ootaka (written: , or in hiragana) is a Japanese surname. Notable people with the surname include:
*, Japanese actor
*, Japanese actor
*, Japanese actress, singer and politician
*, Japanese swimmer
Otaka (written: or in hiragana) is a separate Japanese surname. Notable people with the surname include:
*, Japanese composer and musicologist
*, Japanese composer and conductor
*, Japanese music conductor
{{surname, Otaka
Japanese-language surnames