Martin I (1356—1410), "the Elder", "the Humane", King of Aragon (1396 - 1410, King of Sicily (1409 - 1410) was the last direct descendant of Wilfred "the Hairy, Count of Barcelona, to rule Aragon. He became the King of Sicily (as Martin II) after the death of his son, Martin I of Sicily, widower of Mary of Sicily.

See also: Kings of Aragon, Monarchs of Naples and Sicily