Robyn Mason Dawes (July 23, 1936[1] – December 14, 2010) was an American psychologist who specialized in the field of human judgment.

He co-wrote an early textbook on mathematical psychology[1] alongside Clyde Coombs and Amos Tversky (see below).

In 1985, Dawes joined the Department of Social and Decision Sciences (SDS) at Carnegie Mellon University where he served as Department Head for six years eventually becoming the Charles J. Queenan, Jr. University Professor of Psychology.

In 1990, he was awarded the William James Award by the American Psychological Association for the book Rational Choice in an Uncertain World, now in its 2nd Edition, which he co-wrote with Reid Hastie.

"[citation needed] He was a member of the American Psychological Association Ethics Committee.