Hitoma Iruma (入間 人間, Iruma Hitoma, born 1986) is a Japanese writer and light novel author, best known for creating Ground Control to Psychoelectric Girl and the yuri series Adachi and Shimamura, both of which have received anime and manga adaptations. He is also known for having written Regarding Saeki Sayaka, a light novel spinoff series of Nio Nakatani's manga Bloom Into You. He was born in Gifu Prefecture.