| Last Name | First Name | Exhibition Name | Exhibition Year |
| | RBC Painting Competition | 2006 |
| | Re-mix 2009 | 2009 |
| | Re-mix 2008 | 2008 |
| | Re-mix 2005 | 2005 |
| Ramberg | Lars | Building Berlin | 2009 |
| Rashid | Ibrahim | The Black and the White: An Allegory of Colour | 2011 |
| Rayner | Gordon | Ground Level: Works from KW|AG's Permanent Collection | 2010 |
| Rayner | Gordon | Wild Things: A Bestiary Assembled from KW|AG's Permanent Collection | 2009 |
| Red | | Woodlot: The 3rd KW|AG Biennial | 2007 |
| Redon | Odilon | Still life: untranquilized | 2004 |
| Rees | Nicholas | Remnants: The Kitchener Industrial Artefacts Project | 2006 |
| Reid | Jim | Ground Level: Works from KW|AG's Permanent Collection | 2010 |
| Reynolds | Shannon | facelift (You're a great audience) | 2007 |
| Rhodes | Richard | Grand River | 2008 |
| Richter | Gerhard | Bloom! | 2004 |
| Richter | Gerhard | Variations on the Picturesque | 2006 |
| Riopelle | Jean-Paul | A Telling Story: KW|AG @ 50 | 2007 |
| Robertson | Eric | ANTHEM: Perpectives on Home and Native Land | 2009 |
| Rodriguez | Bert | Emotional Blackmail | 2012 |
| Rokeby | David | The Giver of Names | 2005 |
| Ronald | William | Permanent Collection: William Ronald, Ken Danby & Alfred Laliberte | 2005 |
| Roorda | Paul | Studio Alert: Illuminating the Source | 2007 |
| Roth | Dieter | Flatland: Work from KW|AG's Permanent Collection | 2008 |
| Ruscica | Jani | The Limits | 2011 |