Emmon Bach (12 June 1929 – 28 November 2014) was an American linguist. He was Professor Emeritus at the Department of Linguistics, University of Massachusetts, Amherst and Professorial Research Associate at the School of Oriental and African Studies (SOAS), part of the University of London. He was born in Kumamoto, Japan. His interests included syntax, phonology, the languages of British Columbia (especially Haisla), problems of tense and aspect in semantics, and formal problems and semantic issues in the morphology of polysynthetic languages. In November 2014, he died in Oxford.