Ostmuz (disambiguation)

Ostmuz could refer to:
 * Ostmuz I, the member of the Council of Six representing the Ostmuz Region of the Vex Sphere, until "Vengeance is Mine" in 3453.
 * Ostmuz II, the member of the Council of Six representing the Ostmuz Region of the Vex Sphere, since "The Hal" in 3453, and notably lead a coup against The Hal in 3460, and took over the Vex empire.