70 artists
- William Raddon (1)
- Sir Henry Raeburn (25)
- Allan Ramsay (27)
- Dennis Ramsay (1)
- James Ramsay (1)
- Raphael (Raffaello Santi) (4)
- Charles Ray (1)
- Odilon Redon (5)
- Anne Redpath (7)
- Alexander Reid (1)
- Charles Reid (1)
- George Ogilvy Reid (1)
- Sir George Reid (8)
- Michael Reisch (1)
- Rembrandt (Rembrandt van Rijn) (10)
- Guido Reni (3)
- Pierre-Auguste Renoir (1)
- Alan Reynolds (1)
- Sir Joshua Reynolds (12)
- John Stevenson Rhind (1)
- Carol Rhodes (3)
- Sebastiano Ricci (1)
- Ceri Richards (1)
- Germaine Richier (1)
- Sir William Blake Richmond (1)
- Gerhard Richter (13)
- Charles Ricketts (1)
- George Rickey (1)
- James Rielly (1)
- John Riley (2)
- Edith Rimmington (1)
- Jean-Paul Riopelle (1)
- David Roberts (8)
- Julie Roberts (1)
- William Roberts (3)
- Andrew Robertson (1)
- Arthur Robertson (1)
- Charles Shepherd and Arthur Robertson (2)
- Edward Robertson (1)
- Eric Harald Macbeth Robertson (2)
- Grace Robertson (1)
- James Robertson (1)
- Alexander Ignatius Roche (2)
- Joe Rock (1)
- George Rodger (1)
- Thomas Rodger (1)
- Auguste Rodin (1)
- Pieter Roestraeten (1)
- John Roettier (1)
- Milton Rogovin (20)
- Louis Roguin (1)
- Girolamo Romanino (2)
- George Romney (3)
- Theodora Roscoe (1)
- Ross and Thomson (2)
- James Ross (1)
- Sir William Charles Ross (1)
- Cosimo Rosselli (1)
- Medardo Rosso (1)
- Sir William Rothenstein (2)
- Georges Rouault (1)
- Jamini Roy (2)
- Mabel Royds (3)
- Sir Peter Paul Rubens (3)
- Jacob van Ruisdael (1)
- Alexander Runciman (5)
- John Runciman (2)
- Ed Ruscha (25)
- James Russell (2)
- Robert Ryman (1)
