H13, H-13 or H.13 may refer to:
Roads
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H-13 (Michigan county highway), a road in the United States
*
Highway H13 (Ukraine)
Vehicles
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Bell H-13 Sioux
The Bell H-13 Sioux is an American single-engine helicopter, light helicopter built and produced by Bell Helicopter for the military and licence-produced by Westland Aircraft for the British military as the Sioux AH.1 and HT.2. It was the first ...
, an American helicopter
* , a H-class submarine ordered by but not commissioned into the Royal Navy
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Lioré et Olivier LeO H-13, a French flying boat
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LSWR H13 class, a British steam railcar
Other uses
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DIN 1.2344 tool steel, a tool steel grade
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London Buses route H13, a public transportation route in England
* A class of
high-efficiency particulate air filter
{{Letter-Number Combination Disambiguation