Alastor (disambiguation)

Alastor may refer to a number of people and concepts in Greek mythology.

It may also refer to:

Fictional

 * Alastor Cluster, a fictional setting in three of American writer Jack Vance's novels
 * Alastor Moody, a fictional character in the Harry Potter universe
 * Alastor (Hazbin Hotel), a fictional character in the adult animated series, Hazbin Hotel

Others

 * Alastor, or The Spirit of Solitude, a 1815 poem by Percy Bysshe Shelley
 * Alastor (wasp), a genus of wasp
 * Alastor: Book of Angels Volume 21, a 2014 album by violist and multi-instrumentalist Eyvind Kang