| Jakobsen, Ulv | Ulv Jakobsen | Costume Designer, Designer | 1994 | 2 | |
| Jelínek, Josef | Josef Jelínek | Costume Designer, Designer | 1979 - 2007 | 5 | |
| Jonsson, Per, A. | Per A. Jonsson | Costume Designer, Designer | 1978 - 1996 | 27 | |
| Jassogne, Daniel | Daniel Jassogne | Costume Designer, Designer | 2003 | 4 | |
| Jacobssen, Kerstin | Kerstin Jacobssen | Costume Designer, Designer | 2006 - 2024 | 3 | |
| Jungheinrich, Anja | Anja Jungheinrich | Costume Designer, Designer | 2006 | 4 | |
| Jacob, Geertje | Geertje Jacob | Costume Designer, Designer | 2006 | 4 | |
| Jacovskis, Marijus | Marijus Jacovskis | Costume Designer, Designer | 2009 - 2010 | 6 | |
| Jivanov, Emilia | Emilia Jivanov | Costume Designer, Designer | 1970 - 1978 | 4 | |
| Jiménez , Carolina | Carolina Jiménez | Costume Designer, Designer | 2022 | 2 | |
| Job, Enrico | Enrico Job | Costume Designer, Designer | 1977 - 1978 | 16 | |
| Jones, Robert Edmond | Robert Edmond Jones | Costume Designer, Designer, Director | 1918 - 1932 | 4 | |
| José, Walmir | Walmir José | Costume Designer, Designer, Director | 1977 | 3 | |
| Jones, Andrew | Andrew Jones | Costume Designer, Designer, Lighting Designer | 1993 - 1995 | 4 | |
| Johnson, Deborah | Deborah Johnson | Costume Designer, Director | 2008 | 2 | |
| Jandl, Jolanda | Jolanda Jandl | Costume Designer, Mask Maker | 1988 - 2006 | 19 | |
| Jiahua, Xu | Xu Jiahua | Costume Designer, Mask Maker | 2006 | 2 | |
| Jianhua, Pan | Pan Jianhua | Costume Designer, Mask Maker | 2006 - 2007 | 3 | |
| Jacovskis, Adomas | Adomas Jacovskis | Costume Designer, Set Designer | 2022 - 2023 | 27 | |
| Janco, Marcel | Marcel Janco (מרסל יאנקו) | Costume Designer, Set Designer | 1947 | 2 | |
| Johnsen, Camilla Sandhaug | Camilla Sandhaug Johnsen | Dancer | 2010 | 1 | |
| Jennings, Caroline | Caroline Jennings | Dancer | 1979 | 2 | |
| Johansson, Jonas | Jonas Johansson | Dancer | 1979 | 2 | |
| Jones, Natasha | Natasha Jones | Dancer | 2014 - 2019 | 6 | |
| Järvelin, Anna-Leena | Anna-Leena Järvelin | Dancer | 2001 | 1 | |
| Jööger, Toomas | Toomas Jööger | Dancer | 2001 | 1 | |
| Jeličová, Ivona | Ivona Jeličová | Dancer | 2007 | 2 | |
| Jereb, Žiga | Žiga Jereb | Dancer | 2001 - 2002 | 6 | |
| Johannessen, Magnus | Magnus Johannessen | Dancer | 2008 | 3 | |
| Jerndahl, Siri, R. | Siri R. Jerndahl | Dancer | 2008 | 2 | |
| Jiménez, Antonio | Antonio Jiménez | Dancer | 2008 | 1 | |
| Janimiya, Sheik | Sheik Janimiya | Dancer | 2015 | 1 | |
| Jankowska, Marta-Luiza | Marta-Luiza Jankowska | Dancer | 2014 | 1 | |
| Jones, Bill, Tom | Bill Tom Jones | Dancer | 1957 | 1 | |
| Jones, Anita | Anita Jones | Dancer | 1961 | 1 | |
| Jandrisevits, Tamara | Tamara Jandrisevits | Dancer | 1962 | 1 | |
| Juritz, Fred | Fred Juritz | Dancer | 1962 | 1 | |
| Jensdóttir, Ingunn | Ingunn Jensdóttir | Dancer | 1962 | 1 | |
| Jackson, Nina | Nina Jackson | Dancer | 1939 | 1 | |
| Jacobs, Wilfried | Wilfried Jacobs | Dancer | 2014 | 1 | |
| Jiazheng, Liu | Liu Jiazheng | Dancer | 2022 | 1 | |
| Jackson, Bruce | Bruce Jackson | Designer | 1974 | 1 | |
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