| Rutgers Theatre Company | Rutgers Theatre Company | 2005 | 1 | |
| Ruhrfestspiele Recklinghausen | Ruhrfestspiele Recklinghausen | 1997 – 2018 | 27 | |
| Ruhrfestspiele | Ruhrfestspiele | | | |
| RTE All-Ireland Drama Festival | RTE All-Ireland Drama Festival | 2007 | 8 | |
| Royal Shakespeare Company | Royal Shakespeare Company | 1967 – 2003 | 36 | |
| Royal Norwegian Embassy in Zambia, The | The Royal Norwegian Embassy in Zambia | 2006 | 1 | |
| Royal Exchange Theatre | Royal Exchange Theatre | 1978 – 2022 | 5 | |
| Royal Court Theatre | Royal Court Theatre | 1907 – 1914 | 4 | |
| Rotterdamsch Tooneelgezelschap | Rotterdamsch Tooneelgezelschap | 1906 | 1 | |
| Rosmersholm-Tournéen | Rosmersholm-Tournéen | 1902 – 1903 | 27 | |
| Roma Teatro Service | Roma Teatro Service | 2013 | 1 | |
| Rogaland Teater | Rogaland Teater | 1947 – 2022 | 627 | 19 |
| Robin Goodfellow | Robin Goodfellow | 1998 – 1999 | 2 | |
| Risør Trebåtfestival | Risør Trebåtfestival | 2007 – 2009 | 4 | |
| Riksteatrets Dukketeater | Riksteatrets Dukketeater | 1997 | 30 | |
| Riksteatret Unge Riks | Riksteatret Unge Riks | 1994 – 1997 | 48 | 1 |
| Riksteatret | Riksteatret | 1951 – 2022 | 54096 | 24 |
| Riksteatern | Riksteatern | 1940 – 2010 | 167 | |
| Richard Mansfields Company | Richard Mansfields Company | 1889 | 4 | |
| Richard Mansfield Repertory | Richard Mansfield Repertory | 1906 | 3 | |
| Residenz Theater Berlin | Residenz Theater Berlin | 1888 – 1891 | 4 | |
| Regional Municipal Theatre of Kavala | Regional Municipal Theatre of Kavala | 2006 | 1 | |
| Rampelysfestivalen | Rampelysfestivalen | 2006 – 2010 | 5 | |
| Radioteatern | Radioteatern | 1947 – 2006 | 30 | |
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