H34 may refer to:
*
Hanriot H.34
The Hanriot H.34 was a training aircraft, basic trainer designed in France in 1924 which did not reach production. It was a parasol wing aircraft, seating two in tandem.
Design and development
The parasol winged Hanriot H.34 was intended to com ...
, a French trainer aircraft
* , a British H-class submarine
*
Huntsville Municipal Airport (Arkansas)
*
Sikorsky H-34, an American helicopter
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