Gregory Tarchaneiotes or Trachan[e]iotes (Greek: Γρηγόριος Ταρχανειώτης/Τραχαν[ε]ιώτης, in Latin sources Trachaniota and Trachamoti)[1] was an imperial protospatharios and the long-reigning catepan of Italy from 998 to 1006.
[1] He assumed his office sometime after 1 September 998, in succession to John Ammiropoulos.
[1] Soon after, still in the same year, he confirmed the grant of a village to the abbot of Santa Maria del Rifugio in Tricarico.
[2] In the first year of his tenure, he captured the town of Gravina, which had risen in revolt, and took its leader, a certain Theophylact, prisoner.
[3] In December 999, and again on February 2, 1002, he reinstituted and confirmed the possessions of the abbey and monks of Monte Cassino in Ascoli.