John Joseph McCarthy (born 1953) is an American linguist and the Provost and Senior Vice Chancellor for Academic Affairs at the University of Massachusetts Amherst since July 2017.

[1] McCarthy is best-known for his work on Optimality Theory in phonology: with Alan Prince, he devised Correspondence Theory and alignment constraints, although he has subsequently renounced the latter.

Earlier in his career, McCarthy was responsible, along with Prince, for extending autosegmental phonology, and later Optimality Theory, to morphology, in particular to solve the problem of nonconcatenative morphology in Semitic languages.

in linguistics and Near Eastern languages at Harvard College and obtained his Ph.D. from MIT in 1979.

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