Ikuma (生馬) Arishima (有島), 1882–1974), was the pen-name of Arishima Mibuma, a Japanese novelist and painter active in the Taishō and Shōwa period. He also used Utosei and then Jugatsutei as alternative pen names.Ikuma (伊玖磨) Dan (團), 1924–2001) was a Japanese composer.Ikuma (行真) Horishima (堀島), born in 1997, is a Japanese freestyle skier. He won a bronze medal at 2022 Winter Olympics and he competed for Japan at the FIS Freestyle Ski and Snowboarding World Championships 2017 in Sierra Nevada, Spain, where he won a gold medal in Moguls, and another gold medal in Dual moguls.
Ikuma (伊玖磨) Dan (團), 1924–2001) was a Japanese composer.
Ikuma (行真) Horishima (堀島), born in 1997, is a Japanese freestyle skier. He won a bronze medal at 2022 Winter Olympics and he competed for Japan at the FIS Freestyle Ski and Snowboarding World Championships 2017 in Sierra Nevada, Spain, where he won a gold medal in Moguls, and another gold medal in Dual moguls.