Malachias is a surname. Notable people with the surname include:
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Ioannis Malachias (1880–1958), Greek doctor, leader of the Ikarian Revolution and president of the Free State of Ikaria
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Modesto Malachias (born 1950), Brazilian former professional footballer
See also
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Malachi
Malachi or Malachias (; ) is the name used by the author of the Book of Malachi, the last book of the Nevi'im (Prophets) section of the Hebrew Bible, Tanakh. It is possible that ''Malachi'' is not a proper name, because it means "messenger"; ...
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