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 petrologist , Japanese footballer and manager , Japanese photographer , Japanese voice actor , Japanese academic, politician, political scientist and writer , Japanese film director and screenwriter , Japanese golfer , Japanese footballer , Japanese academic , Japanese politician