Alexios Kaballarios or Kaballares (Greek, Ancient (to 1453);: Ἀλέξιος Καβαλλάριος/Καβαλλάρης) was a Byzantine aristocrat and military commander, cousin of Emperor Michael VIII Palaiologos .
He participated in the Byzantine campaigns in the Morea in the early 1260s, and was taken prisoner by William II of Villehardouin after the Battle of Makryplagi (1263/64).
Apparently released at some later date, in, he held the offices of and governor in Thessaly or Thessalonica.[1]
Along with his cousin, the John Palaiologos, he led a Byzantine army against John I Doukas of Thessaly, but was defeated and killed in the Battle of Neopatras in .[1]