H13, H-13 or H.13 may refer to:
Roads
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H-13 (Michigan county highway)
H-13 is a county-designated highway in the Upper Peninsula of the US state of Michigan that runs north–south for approximately between Nahma Junction in Delta County and the Munising area in Alger County. The highway is also signed as Fe ...
, a road in the United States
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Highway H13 (Ukraine)
Vehicles
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Bell H-13 Sioux, 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
DIN 1.2344 tool steel (also known as AISI H13 steel or just H13) is a tool steel grade standardised for hot working. The main feature of this grade is the combination of alloyed elements of chromium, molybdenum and vanadium, Cr-Mo-V, which provide ...
, 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