Mitsuteru Yokoyama was a famous Japanese manga artist. His works include Gigantor, Giant Robo, Akakage, Babel II, Sally, the Witch, Princess Comet and an adaptation of the wuxia novel Outlaws of the Marsh.

Yokoyama's lifework was the sixty volumes Sangokushi, a retelling of the Romance of the Three Kingdoms, published from 1971 to 1986 in Ushio Shuppansha's Comic Tom. In 1991, an animated version was broadcast on TV Tokyo and the manga recognized by the Japan Cartoonist Association.

Yokoyama died in a fire at his home in Tokyo. He was found unconscious in bed with severe burns and died 16 hours later at a hospital near his home.