Betty Ayako Mochizuki (born October 31, 1929) is a Canadian painter and printmaker.
Mochizuki's works consist of predominantly watercolour paintings, oil paintings, and prints.
Mochizuki was born in Vancouver.
Mochizuki studied at the Ontario College of Art in Toronto, where she graduated in 1954, specializing in landscapes and still-life paintings.
Mochizuki was a member of the Canadian Society of Graphic Art until it disbanded.
Betty Mochizuki and is an active member of the Canadian Society of Painters in Water Colour after being elected in 1960, and was also elected as a member of the Ontario Society of Artists in 1976.
Mochizuki held several exhibitions with the Picture Loan Society and was a heavily involved member before its closing in 1968.