RPSI

(redirected from Relative Penis Size Index)
AcronymDefinition
RPSIRheinland Pfalz Saar International (horse breed)
RPSIRailway Preservation Society of Ireland
RPSIRelative Penis Size Index
RPSIReliable Power Systems, Inc. (Castle Rock, CO)
RPSIRapid Prototyping Society of India (est. 2001)
RPSIRetriever Payment Systems, Inc. (Houston, TX)