Deborah G. Johnson (born 1945) is an American philosopher and Olsson Professor Emeritus of Applied Ethics at the University of Virginia. She is a winner of the Covey Award, Weizenbaum Award, and Barwise Prize. Johnson is known for her works on the computer ethics and engineering ethics.
Her book "Computer Ethics" (1985) was the first significant textbook in the discipline and rapidly became the main resource used in computer ethics courses at universities in English-speaking countries.