RGA
RGA stands for:
- Real Lexicon of Germanic Archeology , specialist lexicon and standard academic work on European cultural history up to the High Middle Ages (focus: Central and Northern Europe)
- Maturity level assurance in quality management
- Reinsurance Group of America , American reinsurance company
- Remscheider General-Anzeiger , local daily newspaper in Remscheid
- Royal Garrison Artillery , British Army military association
