António Mendo de Castel-Branco do Amaral Osório Borges (18 November 1949 – 25 August 2013) was a Portuguese economist and banker.
In 2000 Borges relocated to London, where he became Executive Vice Chairman of Goldman Sachs International, responsible for Strategy, Investment Banking and Leadership Development.
In this period Borges was a Director of Citibank Portugal, BNP Paribas, Petrogal, Sonae, Jerónimo Martins, Cimpor, Vista Alegre, Novartis Venture Funds, CNP Assurances, Banco Santander de Negocios, Caixa Seguros, Scor, S.P.G.S and Heidrick & Struggles.
Borges was also an adviser to the Portuguese government, and a professor at the Institute of Economics and Business at the Catholic University of Portugal.
In November 2011 he was appointed by the new Prime Minister Pedro Passos Coelho to oversee the privatization measures, renogitations of public–private partnerships and restructuring of state-owned enterprises and the banking sector.