Alexios Xiphias (Greek: Ἀλέξιος Ξιφίας, Latin: Alexius Xifea) was a Byzantine protospatharios and catepan of Italy from 1006 to 1007,[1] following the long term of office of Gregory Tarchaneiotes. In March 1007, he promulgated a diploma in favour of Alexander, abbot of San Giovanni in Lamis.
He arrived at Bari in July 1006.[1] He died sometime between April and August of 1007.[1] His successor, John Kourkouas, did not arrive in Bari until May 1008.[2]