See also lists of all IFRC regions, National Societies, and Country codes

: RASP : Rapid Assessment Site Profile
: RC : Red Cross _ Red Crescent
: RCB : Red Cross of Benin
: RCCE : Risk Communication and Community Engagement
: RCCV : Red Cross of Cape Verde
: RCHIS : Red Cross and Red Crescent Health Information System
: RCM : The International Red Cross and Red Crescent Movement _ Red Cross of Montenegro
: RCP : Red Cross (Society of) Panama (Cruz Roja PanameƱa)
: RCRC : Red Cross Red Crescent
: RCRC Movement : The International Red Cross and Red Crescent Movement
: RCRCM : The International Red Cross and Red Crescent Movement
: RCS : The Red Cross of Serbia
: RCSBIH : The Red Cross Society of Bosnia and Herzegovina
: RCSC : Red Cross Society of China
: RCSE : Red Cross Society of Eritrea
: RCSK : The Red Crescent Society of Kazakhstan _ Red Crescent Society of Kyrgyzstan
: RCSN : Red Cross Society of Niger
: RCST : Red Crescent Society of Tajikistan _ Red Crescent Society of Turkmenistan
: RCSU : Red Crescent Society of Uzbekistan
: RCT : Randomized Controlled Trial
: RCY : Representative for Children and Youth
: R&D : Research and Development
: RDQA : Rapid Data Quality Assesment
: RDT : Rapid diagnostic test
: REDLAC : Regional Group on Risks, Emergencies and Disasters for Latin America and the Caribbean (REDLAC) _ Latin American and Caribbean Network of Environmental Funds (RedLAC)
: ReliefWeb : the largest humanitarian information portal on global crises and disasters
: RFL : Restoring Family Links
: RFM : Regional Finance Manager
: RGGH : (the IFRC) Reference Group on Global Health
: RHFA : Rapid health facility assessment
: RLU : Regional Logistics Unit
: RM : resource mobilisation
: RMNCH : Reproductive, Maternal, New-born and Child Health _ Reproductive, Maternal and Neonatal Care Health
: RO : regional office
: ROA : IFRC Regional Office for Africa
: ROE : IFRC Regional Office for Europe and Central Asia
: RRC : Rwandan Red Cross _ Romanian Red Cross _ The Russian Red Cross Society
: RRCS : The Russian Red Cross Society
: RRP : Recovery and Resilience Programme
: RRT : Rapid Response Team
: RTE : Real-Time Evaluation
: RUTF : Ready-to-use therapeutic food