Immortal Guards may refer to:
The Persian Immortals, existing in Persia under the Achaemenean dynasty Immortals (Byzantine Empire), established under the Byzantine emperor Michael VII The Immortals, the Iranian Imperial Guard, existing in Persia and Iran in the 20th century under the Pahlavi dynasty The Immortals, Nihang warriors or Sikh Akalis who have played the pivotal role in Sikh military history
See also Imperial Guard (Napoleon I), elite French soldiers under Napoleon I nicknamed "the Immortals"