QA

QA may stand for:

*Qatar (ISO 3166-1 alpha-2 country code)
*Quality assurance, the process or set of processes used to measure and assure the quality of a product
*Quantitative analysis, the application of quantitative techniques such as statistics and stochastics in various areas of data analysis (e.g. finance)
*Qantas, the national airline of Australia
*Question answering, a type of information retrieval
*quantitative analysis (chemistry), in analytical chemistry, the measurements of quantities of substances produced in reactions rather than simply noting the nature of the reactions
*Qualitative inorganic analysis, when shortened to "qualitative analysis", can be abbreviated to "QA"
*Qatar Academy, an IB school in Doha, Qatar
*Qa (Cyrillic), a character used in the Kurdish alphabet
*"Qa-1", a form of alloantigen