English abbreviations from ryr to rzz
- RYR (Robert Yates Racing)
- RYS (Racine Youth Sports)
- RYT (Reflexology Yoga Therapy)
- RYV (Raise Your Voice)
- RYW (Rate Your Writing)
- RZ (Return to Zero)
- RZA (RechenZentrum Amaliendorf)
- RZB (Regulated Zone Boundary)
- RZC (Red Zone Cuba)
- RZD (Recurring Zero Demand)
- RZE (Rzeszów-Jasionka Airport)
- RZG (Radio Zum Glueck)
- RZH (Roberti Z?Berg- Harris Urban Open Space and Recreation Program)
- RZK (Real Zeit Kernel)
- RZL (Return to Zero Level)
- RZM (ReichZeugMeisterei)
- RZN (Turlatovo Airport)
- RZP (Cesar Lim Rodriguez (Taytay-Sandoval) Airport)
- RZR (Beratungszentrum Regensburg)
- RZS (Royal Zoological Society)
- RZT (Radiation Zone Training)
- RZV (Recreatie ZaalVoetbal)
- RZW (Radiation Zone Work)
- RZZ (Halifax County Airport)