Antonio de Almeida is the name of:
Antonio de Almeida (conductor) (1928–1997), French conductor António José de Almeida (1866–1929), sixth president of Portugal Antônio de Almeida Lustosa (1886-1974), Brazilian Roman Catholic prelate António de Almeida (athlete) (1901-1957), Portuguese Olympic athlete António de Almeida (equestrian) (1915-1994), Portuguese Olympic equestrian Antonio de Almeida e Costa (1932–2010), Portuguese naval officer and politician António de Almeida Santos (1926–2016), Portuguese politician António de Almeida-Ribeiro (born 1955), Portuguese diplomat