Paul Kei Matsuda (born 1970) is a Japanese-born American applied linguist.

He is currently a professor of English and the director of second language writing at Arizona State University[1][2][3] He has published several articles and edited books on the areas of second language writing, composition studies, and cognitive and linguistic theories of composition.

[4] Matsuda obtained his Bachelor of Arts degree in communication from the University of Wisconsin–Stevens Point in 1993.

He obtained his Master of Arts in English with Composition and Rhetoric Concentration in 1995 from the Miami University.

[6] In 1997 he wrote a seminal article on the contrastive rhetoric in context published in the Journal of Second Language Writing.