Masayasu Nomura

was a Japanese molecular biologist.

Nomura was born in April 1927, a native of Hyōgo Prefecture, and completed a bachelor's degree and doctorate at the University of Tokyo. Nomura began work in 1957 as a postdoctoral researcher in the United States, alongside Sol Spiegelman, James Watson, and Seymour Benzer. Nomura returned to Japan in 1960, to teach at the Osaka University Institute of Protein Research. Three years later, Nomura accepted a position at the University of Wisconsin–Madison. Awarded the NAS Award in Molecular Biology in 1971, He was also a member of the American Academy of Arts and Sciences, and the American Academy of Microbiology, as well as the Royal Netherlands Academy of Arts and Sciences and Danish Academy of Science. Nomura died in California on 19 November 2011, aged 84.