V34, or similar, may refer to:
*
Brazilian corvette ''Barroso'' (V34)
*
ITU-T V.34
The ITU-T V-Series Recommendations on Data communication over the telephone network specify the protocols that govern approved modem communication standards and interfaces.
Note: the '' bis'' and '' ter'' suffixes are ITU-T standard designators of ...
, a modem standard
*
Fokker V.34, a German prototype fighter aircraft of World War I
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