| Kenkichi Sonogashira | |
| Work Institution: | Osaka University, Osaka City University |
| Alma Mater: | Osaka University |
| Known For: | Sonogashira coupling |
is a Japanese chemist and was a professor of chemistry at Osaka University in Japan. He discovered the Sonogashira coupling in 1975. Sonogashira was later a professor at Osaka City University and retired in 2004.