English abbreviations from rsa to rsd
- RSA(Regimental Support Area)
- RSAA((organization) Research School of Astronomy and Astrophysics, part of the Institute of Advanced Studies at the Australian National University)
- RSACi(Recreational Software Advisory Council on the Internet)
- RSAF(Royal Small Arms Factory (UK) (now closed))
- RSAI(Regional Science Association International)
- RSAIY(Running Strong for American Indian Youth)
- RSAS(RAND Strategy Assessment System)
- RSAT(Regulatory Sequence Analysis Tools)
- RSB(Railway Shop Battalion)
- RSBP(Recruit School By-Pass)
- RSC(Rotamer Side-Chain)
- RSCC(Regular Special Chinese Class)
- RSCN(Royal Society for the Conservation of Nature)
- RSCPA(Royal Society for the Prevention of Cruelty to Animals)
- RSCT(Reliable Scalable Cluster Technology (IBM))
- RSD(Reflex Sympathetic Dystrophy)
