Echidnas are Australian egg-laying mammals also known as spiny anteaters.
Echidna may also refer to:
Echidna (mythology), monster in Greek mythology and eponym 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 Echidna (Devil May Cry), a demoness in the video game Devil May Cry 4
Taxonomic genera Echidna (fish) , a genus of moray eels Echidna , a junior homonym referring to the mammals commonly known as echidnas Echidna , junior homonym for a genus of African snakes now treated as Bitis
See also Knuckles the Echidna, character from the Sonic the Hedgehog video game series Echidna Parass, fictional character from the Black Cat series