| 滝川 洋二 | |
| Birth Date: | 1949 |
| Fields: | Science education Science curricula |
| Workplaces: | International Christian University High School University of Tokyo Tokai University |
| Alma Mater: | Saitama University Tokyo Gakugei University International Christian University |
| Doctoral Advisor: | Yoshinobu Kakiuchi |
Yōji Takikawa (Japanese: 滝川 洋二, 1949–) is a Japanese pedagogist and professor at the Center for Educational Research and Development, Tokai University, specializing in science education curricula. In 1986, he organized a circle for practice in science education, which has ultimately developed into a nonprofit organization named Garireo-Kōbō (literally, Galileo Studio) with Takikawa being the chairperson of trustees.
Yōji Takikawa was born in Okayama prefecture and studied at . He graduated from the Department of Physics at the School of Science and Engineering, Saitama University in 1972. After completing his master's degree at Tokyo Gakugei University in 1975, he became a teacher at International Christian University High School in 1979. Takikawa completed his doctor's degree with his doctoral thesis titled "The Process of Understanding Natural Science as Seen in Class Activities: A Case Study in Mechanics".
Takikawa visited the United Kingdom from September 1999 to August 2000. He studied at a teacher's trainings course in Cambridge University. From 2006, he was a visiting professor at College of Arts and Sciences, University of Tokyo, before gaining his current position in 2010.