''Acheron'' class may refer to:
*
''Amphion'', A, or ''Acheron''-class diesel-electric submarines of the British Royal Navy, ordered in 1943, for service in the Pacific Ocean theater of World War II.
* s of the Royal Navy, a class of twenty destroyers, all built under the 1910–11 Programme and completed between 1911 and 1912, which served during World War I.
* s, a class of two torpedo boats built in Sydney for the New South Wales naval service in 1879.
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