Wilson Allen Wallis (November 5, 1912 – October 12, 1998) was an American economist and statistician who served as president of the University of Rochester.

Born in Philadelphia, he attended the University of Minnesota, Class of 1932, where he was a member of Chi Phi fraternity.

After receiving his degree in psychology and a year of graduate work at the University of Minnesota, he began graduate studies in economics at The University of Chicago in 1933, where he began what would prove to be lifelong friendships with Milton Friedman, Aaron Director and George Stigler.

Under Eisenhower, he collaborated with Vice President Nixon on the report of the Cabinet Committee on Price Stability for Economic Growth (1959–61).

Under Nixon and Ford, he served on the President's Commission on Federal Statistics and on the Advisory Council on Social Security.