RRA
RRA is the abbreviation for:
- Rain retention system
- Rahanweyn Resistance Army , a Somali civil war faction in southwest Somalia
- Round-robin archives, a data storage method of the RRDtool
- Relative risk aversion according to Arrow and Pratt, a measure of the risk aversion of a decision maker
- Rastatt station according to DS 100
RRa is the abbreviation for:
- Reiserecht aktuell , a German specialist magazine in the field of travel law
