Anđelko Aleksić (Serbian Cyrillic: Анђелко Алексић; 1876 – Četirce, Ottoman Empire, 27 May 1904) was a Macedonian Serb Chetnik commander (voivode).

[citation needed] On 25 April 1904, two armed groups (četa) of some 20 fighters under voivodes Anđelko Aleksić and Đorđe Cvetković swore oath in a ceremony of the Serbian Chetnik Committee (Dr. Milorad Gođevac, Vasa Jovanović, Žika Rafailović, Luka Ćelović, Ljubomir Kovačević, Nikola Spasić and General Jovan Atanacković), with prota Nikola Stefanović holding the prayers.

[7] They managed to enter Turkish territory but were subsequently exposed in the plain Albanian and Turkish villages, and the Ottomans closed in on them from all sides, and they decided to stay on the Šuplji Kamen, which gave them little defence instead of meeting the army on the plains; in broad daylight, the Ottoman military easily poured bombs over the hill and killed all 24 of the Chetniks (27 May 1904).

The Serbian press came out against the campaign and wrote that support of the četas should be forbidden from "sending people to the slaughterhouse."

The Serbian Foreign Minister felt the Četnik Campaign would upset their delicate negotiations with the Ottoman Empire.