Echidna (disambiguation)
# Echidna (disambiguation)

Echidnas are Australian egg-laying mammals also known as spiny anteaters.

Echidna may also refer to:

* Echidna (mythology), monster in Greek mythology and namesake of the mammal
* (42355) Typhon I Echidna, the natural satellite of the asteroid 42355 Typhon
* ECHIDNA, high-resolution neutron powder diffractometer at Australia's research reactor OPAL
* Echidna (Re:Zero), a character in the light novel series Re:Zero − Starting Life in Another World
* Echidna, character in the video game The Bouncer

## Taxonomic genera

* Echidna (fish) J. R. Forster, 1788, a genus of moray eels
* Echidna Cuvier, 1797, a junior homonym referring to the mammals commonly known as echidnas
* Echidna Merrem, 1820, junior homonym for a genus of African snakes now treated as Bitis
