Ikuo (written: 郁夫, 育夫, 征夫 or 幾雄) is a masculine Japanese given name. Notable people with the name include:
*, member of Aum Shinrikyo
*, Japanese painter
*, Japanese politician
*, Japanese politician
*, Japanese footballer and manager
*, Japanese photographer
*, Japanese voice actor
*, Japanese film director and screenwriter
*
Ikuo Shirahama (born 1958), Japanese golfer
*, Japanese footballer
*, Japanese academic
{{given name
Japanese masculine given names
Masculine given names