Birth Date: 5 Feb 1964
Place of Birth: Chiba, Japan
Personal Name: Mayumi Watanabe
Mayumi Watanabe (real name: Mayumi Iwakawa) is a Japanese animator and illustrator and character designer. She is married to producer Saburou Oomiya.
After working for Ashi Productions and Kaname Production, she went freelance. Besides her work as an animator, she also served as the director of Studio Ranmaru.