Hiroshi Motoyama (本山 博, Motoyama Hiroshi, December 15, 1925 – September 19, 2015) was a Japanese parapsychologist, scientist, spiritual instructor and author whose primary topic was spiritual self-cultivation and the relationship between the mind and body. Motoyama emphasized the meditative practices of Samkhya/Yoga, karma, reincarnation and Hindu theories of the chakras. Motoyama died in September 2015 at the age of 89.