ABH, or abh, may refer to:
- Abh, a Latin-script trigraph used in Irish to write the sound /əu̯/, or in Donegal, /oː/, between broad consonants.
- ABH, the IATA code for Alpha Airport, Queensland, Australia
- abh, the ISO 639-3 code for the Central Asian Arabic language
- ABH, the National Rail code for Abererch railway station, Wales, UK
- Assault occasioning actual bodily harm, an offence in English law
- Aviation boatswain's mate, handling, a US Navy occupational rating
- A Barbadian's Head on the flag of pirate Bartholomew Roberts