Susumu is a Japanese given name, and may refer to:
Susumu Chiba (born 1970), Japanese voice actor
Susumu Fujita (1912–1991), Japanese actor
Susumu Fukui (born 1947), Japanese Go player
Susumu Hani (born 1928), Japanese film director
Susumu Hirasawa (born 1954), Japanese progressive-electronic artist
Susumu Ishii (1924–1991), Japanese criminal
Susumu Kajiyama (born around 1950), Japanese criminal
Susumu Katsumata (1943–2007), Japanese manga artist
Susumu Kuno (born 1933), Japanese linguist and author
Susumu Kurobe (born 1939), Japanese actor
Susumu Matsushima (born 1913), Japanese photographer
Susumu Matsushita (born 1950), Japanese manga artist.
Susumu Mochizuki (born 1978), Japanese professional wrestler
Susumu Ohno (1928–2000), Japanese American geneticist and evolutionary biologist
Susumu Ōno (born 1919), Japanese linguist
Susumu Ojima (born 1953), Japanese entrepreneur
Susumu Shibata (21st century), ambassador of Japan to Angola
Susumu Tachi (born 1946), Japanese academic
Susumu Terajima (born 1963), Japanese actor
Susumu Tonegawa (born 1939), Japanese scientist
Susumu Yanase (born 1950), Japanese politician
Susumu Yokota (21st century), Japanese composer
Tōki Susumu (born 1974), Japanese former sumo wrestler
Yamazaki Susumu (circa 1833-1868), Japanese spy