Seiji Ueda

Seiji Ueda (上田 清二, Ueda Seiji; born 1952) is a Japanese astronomer. He is a prolific discoverer of minor planets. Between 1987 and 2000, Ueda discovered 705 asteroids, all of them in collaboration with Hiroshi Kaneda.

Ueda holds an MD and PhD from Stanford University and is on the staff at the Graduate University for Advanced Study in Japan. The inner main-belt asteroid 4676 Uedaseiji, discovered in 1990, is named for him.