R3.99RS

R3

R3 or R-3 or R/3 may refer to:

R3 (computer game), a computer game for the Amiga series of computers in 1995
R3 (European Commission unit), the Information System Development and Support unit within Information Society Directorate-General of the European Commission
R3 (SEPTA), a SEPTA Regional Rail line in and near Philadelphia, Pennsylvania
R3 (song), by Reo Nagumo for the game Beatmania IIDX
R3 (TV series), produced by the BBC between 1964 and 1965
R3: Extreme risk of explosion by shock, friction, fire or other sources of ignition, a risk phrase in chemistry
Expressway R3, an expressway in the Czech Republic
Motorroad R3 (Slovakia)
USS R-3 (SS-80), a 1919 R-class coastal and harbor defense submarine of the United States Navy
BBC Radio 3, operated by the BBC within the United Kingdom
Yakutia Airlines, via its IATA airline designator
SAP R/3, enterprise resource planning software produced by SAP AG, new name is SAP ERP
Vympel K-13, air-to-air missile known as R-3S in Soviet service
DVD region code 3
Ågestaverket, also known as R3, was the third nuclear reactor built in Sweden
R-3 process, a chromogenic photo process for making Type R prints