Other
- Maa languages, a group of closely related languages (or dialects) spoken in Tanzania and Kenya
- Master-at-arms, a type of security or training personnel
- Master-at-Arms (MAA) — responsible for naval law enforcement
- Magma Arizona Railroad, the reporting mark of Magma Arizona Railroad
- Maastricht Aachen Airport, Netherlands
- Chennai International Airport (IATA Airport Code), Meenambakkam, India
- Marketing Authorization Application, an application (to a competent regulatory authority) to market a new drug
- Methacrylic acid, a low molecular weight carboxylic acid
- Microcomputer Applications Associates, a precursor of Gary Kildall's (Intergalactic) Digital Research, Inc. in the 1970s
- Multi-area agreement, a policy framework in the United Kingdom
- Measurement assisted assembly, any method of assembly in which measurements are used to guide assembly processes
Read more about this topic: Maa