HMM
# HMM

HMM or hmm may refer to:

## Arts and entertainment

* Hail Mary Mallon, an American hip-hop group
* Hallmark Movies & Mysteries, a U.S. cable channel
* Heavy metal music, a subgenre of rock music
* Heroes of Might and Magic, a video game series (also abbreviated as HoMM)
* High-end Master Model, a high-quality Zoids model kit

## Organizations

* Hatch Mott MacDonald, a North American engineering consulting firm
* HMM, a South Korean shipping company
* Homenmen, an Armenian sporting organization

## Science and technology

* Heavy meromyosin, a protein fragment
* Heterogeneous memory management, in the Linux kernel
* Hidden Markov model, a statistical model

## Other uses

* Central Mashan Miao language (ISO 639-3 code), spoken in China
* Hammerton railway station (National Rail code), England, National Rail
