IAL

IAL may refer to:

• Indoleacetaldehyde, an organic compound and metabolite of tryptamine
• Intel Architecture Labs, a research arm of Intel Corporation during the 1990s
• International Advanced Levels, an academic qualification offered by Edexcel
• International Algebraic Language or ALGOL 58
• International Artists' Lodge, a trade union in Germany
• International Association for Lichenology, a scientific organisation
• International auxiliary language, a language for communication between people who do not share a native language
• Institute for Adult Learning, an autonomous institute based in Singapore
• Ial, a commote in medieval Wales
• IAL, an Anatolian high school in Mersin, Turkey