Alexios III Angelos (; 1211), Latinized as Alexius III Angelus, was Byzantine Emperor from March 1195 to 17/18 July 1203. He reigned under the name Alexios Komnenos (??????? ??u?????; Aléxios Komnenós) associating himself with the Komnenos dynasty (from which he was descended cognatically).

A member of the extended imperial family, Alexios