- RC3H2
- RCAN1
- RCAN2
- RCAN3
- RCAS1
- RCBTB1
- RCBTB2
- RCC1
- RCC2
- RCCD1
- RCE1/FACE2
- rCG48429-Like
- RCHY1
- RCL
- RCL1
- RCN1
- RCN2
- RCN3
- Rcor2
- RCOR3
- Rcs1/Fam64a
- RCSD1
- RD3
- RD3L
- RDBP
- RDH10
- RDH10A
- RDH11
- RDH12
- RDH13
- RDH14
- RDH16
- RDH2
- RDH5
- RDH7
- RDH8
- RDM1
- REC8
- Receptor Accessory Protein 1
- Receptor Accessory Protein 4
- RECK
- Recoverin
- RECQL2
- RECQL4
- RECQL5
- RED1
- Reelin
- REEP2
- REEP3
- REEP5
- REEP6
- Refbp2
- REG1
- REG1A
- REG1B
- REG2
- REG3A
- REG3B
- REG3D
- REG3g
- REG4
- Regakine 1
- Regucalcin
- Relaxin 1
- Relaxin 2
- Relaxin 3
- Relaxin 3 Receptor 1
- RELB
- RELL2
- RELM alpha
- RELT
- RELT-Like 1
- REM1
- REM2
- RENBP
- Renin
- Renin-2
- RENT1/UPF1
- RENT2/UPF2
- REP15
- Repetin
- REPIN1
- Reprimo
- REPS1
- REPS2
- Requiem Protein
- RER1
- RERE
- RERG
- RERGL
- Resistin
- RESP18
- REST
- Ret Proto-Oncogene
- Retbindin
- Reticulon 1
- Reticulon 1A
- Reticulon 2
- Reticulon 3
- Reticulon 4