| James, Miller | Miller James | Costume Designer | 2011 | 2 | |
| Jacobs, Francine | Francine Jacobs | Costume Designer | 1959 | 1 | |
| Johanson, Greta | Greta Johanson | Costume Designer | 1957 | 1 | |
| Jakameit, Rosemarie | Rosemarie Jakameit | Costume Designer | 1952 | 1 | |
| Jacobsen, Jean | Jean Jacobsen | Costume Designer | 1950 | 1 | |
| Johre, Gro | Gro Johre | Costume Designer | 2000 | 1 | |
| jelmezkölcsönző, Rácz | Rácz jelmezkölcsönző | Costume Designer | 1948 | 1 | |
| Jevnaker, Ola | Ola Jevnaker | Costume Designer | 2006 - 2012 | 3 | |
| Jeffrey, Clare | Clare Jeffrey | Costume Designer | 1978 - 1979 | 2 | 1 |
| Jacobs, Carin | Carin Jacobs | Costume Designer | 2018 | 1 | |
| Jularić, Oliver | Oliver Jularić | Costume Designer | 2017 - 2021 | 2 | |
| Jiryis, Ihab | Ihab Jiryis | Costume Designer | 2020 | 1 | |
| Jakobsen, Else, Ciljan | Else Ciljan Jakobsen | Costume Designer | 2019 - 2021 | 5 | |
| Juvik Pedersen, Marianne | Marianne Juvik Pedersen | Costume Designer | 2008 | 1 | |
| Jasselette, Florence | Florence Jasselette | Costume Designer | 2021 - 2023 | 2 | |
| Juhrke, Werner | Werner Juhrke | Costume Designer | 1966 | 1 | |
| Jacovskis, Adomas | Adomas Jacovskis | Costume Designer | | 1 | |
| Jedamski, Iris | Iris Jedamski | Costume Designer, Designer | 2003 | 2 | |
| Jenatsch, Claudia | Claudia Jenatsch | Costume Designer, Designer | 1998 | 4 | |
| Jerméus, Johanna | Johanna Jerméus | Costume Designer, Designer | 1999 | 2 | |
| Jordan, Hanna | Hanna Jordan | Costume Designer, Designer | 1964 - 1968 | 11 | 1 |
| Juhl, Lars | Lars Juhl | Costume Designer, Designer | 1973 - 2001 | 9 | 1 |
| Jacobsen, Mette | Mette Jacobsen | Costume Designer, Designer | 1997 - 2013 | 76 | 1 |
| Julin, Yngvar | Yngvar Julin | Costume Designer, Designer | 2006 - 2008 | 30 | 1 |
| Jackson, Barry V. | Barry V. Jackson | Costume Designer, Designer | 1915 | 4 | |
| Jitianu, Dan | Dan Jitianu | Costume Designer, Designer | 1968 - 1978 | 5 | 1 |
| Janson, Astrid | Astrid Janson | Costume Designer, Designer | 1983 | 2 | |
| Jaeneke, Gabriele | Gabriele Jaeneke | Costume Designer, Designer | 1986 | 2 | |
| 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 | |
| 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 | |
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