Mario Wschebor Wonsever was an Uruguayan mathematician. He earned his degree at the University of the Republic, Uruguay, where he was Dean of the Faculty of Sciences between 1987 and 1997, after actively participating in the process of its creation. Another important contribution from this period was the "Document of the four deans", in which the need to create a national system of tertiary education was laid out.
In the field of mathematics, he made important contributions to the areas of probability and statistics.
Mario Wschebor worked in the Centro de Matemática, and among numerous other activities he was chair of the Centre International de Mathématiques Pures et Appliquées.
In November 2007, Wschebor was awarded the "Morosoli de Oro" prize for Uruguayan cultural personality of the year by the Lolita Ruibal Foundation of Minas, Uruguay.