Mary Martin Ourisman (born February 27, 1946) is an American political consultant who served as U.S. Ambassador Extraordinary and Plenipotentiary to Barbados and the Eastern Caribbean, comprising the countries of Antigua and Barbuda, Dominica, Grenada, St. Kitts and Nevis, St. Lucia, and St. Vincent and the Grenadines. Mary was married to "Bubba" Johnson, and Steve Stiles previously.