Tadashi Izawa (July 25, 1895 - 1990) was a Japanese Shiatsu practitioner who introduced the derivative form Meridian Shiatsu.
After graduating from Kobe Second High School in 1916, he went to Korea to study at a school for Instructors. After that, he taught in southern Korea and became the Principal of an elementary school and then a girls' school.
After World War II, he studied under the founder of Shiatsu, Tokujiro Namikoshi. He became the Vice-principal of the Japan Shiatsu College and the Vice-president of the Japan Shiatsu Association.
After studying the Edo Period masterpiece of Anma, Anpuku, he published Anpuku and Shiatsu Therapy in 1946. He took initiative in the field and also authored Meridian and Shiatsu Therapy, Ishinbo and Shiatsu Therapy, and a pathology text. (All books were written in Japanese.) He died in 1990 at the age of 95.