Orcus
Orkus means:
- in Roman mythology the underworld or the god of the underworld, see Orcus
- an asteroid named after this god in 2004, see (90482) Orcus
- in Greek mythology the personified oath, see Horkos
- a music magazine, see Orkus (music magazine)
- a book by Wolfgang Hohlbein
- a cycle of novels by Gerhard Roth (author)