Echo II or Echo 2 or ''variant'', may refer to:
*
''Echo II''-class submarine of the Soviet Navy
*
Echo 2 (satellite), a 1964 NASA communications satellite
*
Echo II (expansion card), a speech synthesizer card for the Apple II
See also
*
EchoStar II, a 1990s communications satellite
*
Echo (disambiguation)
An echo is a reflection of sound.
Echo may also refer to:
Mythology
* Echo (mythology), a nymph in Greek mythology, for whom the sound reflection phenomenon was named.
Arts, entertainment, and media Fictional entities
* Echo (DC Comics), vari ...
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