RPA

RPA may refer to:

*Random Phase Approximation, an approximation used in physics
*A Registered Physician assistant
*RNase protection assay
*Recursive Partitioning Analysis
*Replication protein A, a protein that binds to single-stranded DNA
* Romanized Popular Alphabet, a common romanization of the Hmong language

"In Australia":
*Royal Prince Alfred Hospital, a large hospital in Sydney
*Real Property Administrator, a designation for commercial property managers from BOMI International,
*RPA (TV series), a reality television show that is filmed at the hospital"In Canada":
*Registered Public Accountant, a professional accounting association with members across Canada"In Ireland":
*Railway Procurement Agency, a state agency that builds railways"In Rwanda":
*The Rwandan Patriotic Army, the army that overthrew the Rwandan government during the 1994 Rwandan Genocide"In the United States":
*RPA (Rubin Postaer and Associates), the largest independent advertising agency in the west coast of the United States
* Richmond Progressive Alliance, a liberal political group in California

* Regional Plan Association, an independent, not-for-profit New York-New Jersey-Connecticut regional planning organization
* The ICAO code for Republic Airlines"In the United Kingdom":
*Representation of the People Acts (governing election law) or one thereof.
*The Rural Payments Agency, an executive agency of the Department for the Environment, Food and Rural Affairs (DEFRA)