E2 Hauser (disambiguation)

E2 Hauser may refer to:
 * E2 Hauser (XS2) — the prologue enemy in Xenosaga Episode II
 * Revised E2 Hauser — the Second Miltia enemy in Xenosaga Episode II
 * E2 Hauser (XS3) — the Miltia enemy in Xenosaga Episode III