2153 Akiyama (1978 XD) is a main belt asteroid. Named in memory of Kaoru Akiyama (1901-1970), a professor at Hosei University, Tokyo, during 1930-1940 and 1949-1970, well known for his work on minor planets. Initially in collaboration with K. Hirayama, he made the first detailed study of the orbit of 153 Hilda, which has 2:3 orbital resonance with Jupiter. This name was proposed by K. Tomita.