Osamu Fujimura 藤村靖 (August 29, 1927 in Tokyo – March 13, 2017 in Waikoloa Beach, Hawaii) was a Japanese physicist, phonetician and linguist, recognized as one of the pioneers of speech science. Fujimura was also known for his influential work in the diverse field of speech-related studies including acoustics, phonetics/phonology, instrumentation techniques, speech production mechanisms, and computational/theoretical linguistics.