RAG may refer to: Recruiting Advance Group RAG (student society) — Student-run charitable fundraising organisations that're widespread in the United Kingdom (and elsewhere) Real Academia Galega RAG Rating for issues or status reports, based on the Red Amber Green colors in traffic lights Regimental artillery group Repertorium Academicum Germanicum Replacement Air Group, an outdated term for a Naval Aviation squadron that trains replacement pilots in fleet aircraft and tactis. See F… (More on Rag)