António Mascarenhas may refer to:

• António de Menezes (1891–1961), Portuguese Olympic fencer
• António Mascarenhas (governor), Governor of Portuguese Ceylon, 1638–1640
• António Mascarenhas (writer) (1916–1993), English-language writer from India
• António Mascarenhas Monteiro (1944–2016), President of Cape Verde, 1991–2001
• Anthony Mascarenhas (1928–1986), Pakistani journalist and author

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