Erebus is the Greek god of darkness as well as a region of the Greek underworld.
Erebus may also refer to:
Ships HMS Erebus, five ships of Britain's Royal Navy, most famously: HMS Erebus (1826), a part of Franklin's failed expedition to find the Northwest Passage Erebus-class monitor, a class of Royal Navy ships USS Squando, briefly named Erebus (1869)
Places Mount Erebus, an Antarctic volcano Erebus (crater), a crater on Mars Erebus Montes, a group of mountains on Mars
Music Erebos (album), an album by Hate Erebus I, an extended play recording by American electronic music producer Notaker "Erebus", a 2004 song by The Amenta, from the album Occasus
Other uses Erebus (moth), a genus of noctuid moths Erebus crystal, a type of feldspar Erebus Motorsport, an Australian motor racing team Erebus Offshore Wind Farm, proposed project in the Celtic Sea off Pembrokeshire, Wales Mount Erebus disaster, a DC-10 crash on the Antarctic mountain in 1979 Erebus: The Aftermath, a New Zealand television miniseries about the accident