- Underworld is also the name of an electronic band.
- There is also a novel by American writer, Don Delillo called Underworld
In the study of mythology and religion, the underworld is a generic term, referring to any place to which newly dead souls go. See also psychopomp.
Underworlds:
- Aborigine mythology
- Akkadian mythology
- Buddhist mythology
- Celtic mythology
- Christianity
- Egyptian mythology
- Fijian mythology
- Finnish mythology
- Greek mythology
- Incan mythology
- Inuit mythology
- Islam
- Idonesian mythology
- Japanese mythology
- Latvian mythology
- Mayan mythology
- Melanesian mythology
- Norse mythology
- Oromo mythology
- Polynesian mythology
- Pueblo mythology
- Roman mythology
- Sumerian mythology
- Vodun
- Wagawaga mythology
God/ess/es of the Underworld (Note: this includes guardian-type creatures, ghosts and spirits such as demons, veli and Cerberus)
- Aborigine mythology
- Akkadian mythology
- Albanian mythology
- Armenian mythology
- Aztec mythology
- Babylonian mythology
- Bon mythology
- Buddhist mythology
- Canaanite mythology
- Celtic mythology
- Chinese mythology
- Christianity
- Egyptian mythology
- Elamite mythology
- Etruscan mythology
- Finnish mythology
- Greek mythology
- Gypsy mythology
- Haida mythology
- Hindu mythology
- Hopi mythology
- Incan mythology
- Indonesian mythology
- Inuit mythology
- Islamic mythology
- Japanese mythology
- Kassite mythology
- Khmer mythology
- Latvian mythology
- Lunda mythology
- Mayan mythology
- Narragansett mythology
- Navaho mythology
- Niquiran mythology
- Norse mythology
- Orokolo mythology
- Persian mythology
- Phoenician mythology
- Phrygian mythology
- Polynesian mythology
- Prussian mythology
- Pueblo mythology
- Roman mythology
- Russian mythology
- Saami mythology
- Salish mythology
- Siberian mythology
- Slavic mythology
- Sumerian mythology
- Syrian mythology
- Tamil mythology
- Vodun
- Wagawaga mythology
- Yurak mythology
- Zuni mythology