Masako Hayashi (1928-2001) was a Japanese architect. She was the first woman to win the Architectural Institute of Japan Award. She primarily designed residential housing for limited space environments, using innovative building materials, space utilization and clean design. She was married to business adviser Shoji Hayashi.
- American Institute of Architects Honorary Fellowship
- Architectural Institute of Japan Award
- Seashell Gallery, Shikoku, Japan
- also a singer
- Simon Richmond (1 February 2011). The Rough Guide to Japan. Penguin. p. 630. ISBN 978-1-4053-8245-8. Retrieved 5 February 2012.