H13
# H13

H13, H-13 or H.13 may refer to:

## Roads

* H-13 (Michigan county highway), a road in the United States
* Highway H13 (Ukraine)

## Vehicles

* Bell H-13 Sioux, an American helicopter
* HMS H13, a H-class submarine ordered by but not commissioned into the Royal Navy
* Lioré et Olivier LeO H-13, a French flying boat
* LSWR H13 class, a British steam railcar

## Other uses

* DIN 1.2344 tool steel, a tool steel grade
* London Buses route H13, a public transportation route in England
* A class of high-efficiency particulate air filter
