Aleko is a masculine given name, sometimes a short form of Alexandros or an affectionate diminutive of Aleksandre. It may refer to:
Alexandros Goulandris (1927–2017), Greek shipowner and philanthropist. Aleko Bregu (born 2 July 1957) is a former Albanian footballer. Aleko Konstantinov (1863–1897), Bulgarian writer. Aleko Lilius (1890–1977), Russian-born explorer, businessman, diplomat, writer, journalist and photographer. Aleko Mulos, was an Ottoman gymnast. He competed in the men's artistic individual all-around event at the 1908 Summer Olympics. Aleko Pilika (1940), former Albanian footballer and football manager. Aleko Prodani (1942–2006), Albanian actor. Alexandros Schinas (c. 1870–1913), assassin of King George I of Greece. Aleko Yordan (born 1936), Turkish former footballer.
See also Alekos, another short form of Alexandros