9H
# 9H

9H or 9-H can refer to:

* 9H, IATA code for Dutch Antilles Express
* 9H, see London Buses route 9 (Heritage)
* New York State Route 9H
* N-9H, a model of Curtiss Model N
* WAG-9H, a model of Indian locomotive class WAG-9
* 9H, National aircraft registration prefix for Malta
* The highest pencil hardness grade
* 9H Maltese AOC
