IAH
IAH stands for:
- International Labour Assistance (since 1951), trade union development agency, since 1995 under the name of solidarity
- International Association for Hymnology (since 1959 )
- International Association of Hydrogeologists
- IATA code of the George Bush Intercontinental Airport in Houston, Texas.
Iah stands for:
- Iah ( Egyptian mythology), an ancient Egyptian moon god
- Disambiguation
- Abbreviation