Iwao (written: 巖, 巌, 岩夫, 岩尾, 岩生, 岩男 or 岩雄) is both a masculine Japanese given name and a Japanese surname. Notable people with the name include:
Surname
*
Emma Haruka Iwao
Emma Haruka Iwao is a Japanese computer scientist and cloud developer advocate at Google. In 2019 Haruka Iwao calculated the then world record for most accurate value of pi (π); which included 31.4 trillion digits, exceeding the previous reco ...
, Japanese computer scientist and cloud developer advocate
*, Japanese voice actress and singer
*, Japanese footballer
*, Japanese field hockey player
*, Japanese academic, historian and writer
*, Japanese psychologist, magazine editor and academic
Given name
*, Japanese cross-country skier
*, Japanese printmaker
*, Japanese diplomat
*, Japanese boxer
*, Japanese sport wrestler
*, Japanese politician
*, Japanese general
*, Japanese ice hockey player
*, Japanese field marshal
*, Japanese academic
*
Iwao Takamoto (1925–2007), Japanese-American animator, television producer and film director
*, Japanese footballer
*, Japanese photographer
Fictional characters
*, a character in the manga series ''Kinnikuman''
{{given name, type=both
Japanese-language surnames
Japanese masculine given names