English abbreviations from rin to ris
- RIN (the former Royal Indian Navy)
- RIND (Reversible ischemic neurologic deficit)
- RINO (Republican In Name Only[1])
- RIO (Radar Intercept Officer)
- RIP (Relief In Place)
- R.I.P. (Requiescat In Pace ("May he or she rest in peace"))
- RIPE (Race Integrity Primitives Evaluation)
- RIPL (Recon and Interdiction Planning Line)
- RIPS (Regulated Intelligent Power Supply)
- RIQ (Really Interesting Questions)
- RIQI (Rhode Island Quality Institute)
- RIR (Flabob Airport)
- RIS (Rail Interface System)