Herbert Allan Borden Leal, OC QC (June 15, 1917 – October 12, 1999) was a Canadian civil servant and academic.

He was Deputy Attorney General of Ontario, dean of Osgoode Hall Law School, and chancellor of McMaster University.

Born in Beloeil, Quebec, Leal received a Bachelor of Arts degree in 1940 from McMaster University.

He served with the Royal Canadian Artillery during World War II in Canada, England, and the United States.

On stepping down from the Ministry in 1981, he served as special adviser to Premier William G. Davis on Constitutional Matters.