| Hafengeburtstag Hamburg | Hafengeburtstag Hamburg | 2011 | 1 | |
| Hong Kong Academy for Performing Arts (Studio Theatre), The | The Hong Kong Academy for Performing Arts (The Hong Kong Academy for Performing Arts (Studio Theatre)) | 2001 | 1 | |
| HeXakin | HeXakin | 1996 | 1 | |
| Happy End Theatre Company | Happy End Theatre Company | 2024 | 1 | |
| Haverly's Minstrels | Haverly's Minstrels | 1905 | 1 | |
| Here To There Productions | Here To There Productions Ltd. | 2024 | 1 | |
| Hoogland Center for the Arts | Hoogland Center for the Arts | 2010 | 1 | |
| HB studio | HB Studio | 2021 | 1 | |
| Haghespelers, Die | Die Haghespelers | 1913 | 1 | |
| Hangö Teaterträff | Hangö Teaterträff | 2010 | 1 | |
| Harmonia Team | Harmonia Team | 1990 | 1 | |
| Henley Street Theatre Company | Henley Street Theatre Company | 2010 | 1 | |
| Heartbreak Hotel | Heartbreak Hotel | 2023 | 1 | |
| Hortence Nielson | Hortence Nielson | 1921 | 1 | |
| Hawthorne Players, The | The Hawthorne Players | 2002 | 1 | |
| Hitchin Festival 2004 | Hitchin Festival 2004 | 2004 | 1 | |
| Hollenderfestivalen | Hollenderfestivalen | 2000 | 1 | |
| hORMIAI | hORMIAI | 2009 | 1 | 1 |
| Helvig Jacobsen Selskabs Turné | Helvig Jacobsen Selskabs Turné | 1905 | 1 | |
| Hudson Stage Company | Hudson Stage Company | 2019 | 1 | |
| Hartwell Players Inc | Hartwell Players Inc | 2007 | 1 | |
| Heimdal Videregående skole | Heimdal Videregående skole | 2023 | 1 | |
| Haagsche Comedie, De | De Haagsche Comedie | 1955 | 2 | |
| Harald Sandbergs sällskap | Harald Sandbergs sällskap | 1906 | 2 | |
| Hale Park Theater Company | Hale Park Theater Company | 2001 | 2 | |
| Hjalmar Selanders Teatersällskap | Hjalmar Selanders Teatersällskap | 1908 – 1909 | 2 | |
| Hokuriku Shinkyo Troupe | Hokuriku Shinkyo Troupe | 1947 | 2 | |
| Hong Kong Arts Festival | Hong Kong Arts Festival | 2006 – 2008 | 2 | |
| Hedmark Teater | Hedmark Teater | 1998 – 1999 | 3 | |
| Hole in the Wall Theatre, The | The Hole in the Wall Theatre Company (The Hole in the Wall Theatre) | 1982 – 2001 | 4 | |
| Holland Festival | Holland Festival | 1979 – 2013 | 4 | |
| Haagse Comedie | Haagse Comedie | 1973 | 4 | |
| Haugesund Teater | Haugesund Teater | 2006 – 2008 | 4 | 1 |
| Hordaland Teater | Hordaland Teater | 2002 – 2004 | 5 | 1 |
| Haiyuza (Actors' Theatre) | Haiyuza (Actors' Theatre) | 1955 – 1990 | 9 | |
| Het Oranjehotel | Het Oranjehotel | 1996 – 2000 | 26 | |
| Helge Jordal | Helge Jordal | 1999 – 2008 | 30 | |
| Het Gevolg | Het Gevolg | 1998 | 32 | |
| Hålogaland Teater | Hålogaland Teater | 1975 – 2019 | 400 | 4 |
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