- Reptile Gorgon
- Reptilianne Rage
- Reptilianne Servant
- Rescue Cat
- Rescuer from the Grave
- Rescueroid
- Reserve Cyclone
- Reshef the Dark Being
- Resonator Call
- Respect Synchron
- Return Damage
- Return from the Different Dimension
- Return of the Doomed
- Return Soul
- Return Talisman
- Return Zombie
- Revenge Attack
- Revenge Return
- Revenge Soul
- Revenge Twin Soul
- Reverse Buster
- Reverse of Neos
- Reverse Reborn
- Revival Gift