HFRR

AcronymDefinition
HFRRHorticulture, Forestry and Recreation Resources (Kansas State University; Manhattan, KS)
HFRRHigh-Frequency Reciprocating Rig (diesel fuel)
HFRRHydrofluoric Acid Reprocessor Return System
HFRRHealth, Fitness, and Recreation Resources (George Mason University; Fairfax, VA)