| Ježková, Zuzana | Zuzana Ježková | Costume Designer | 2000 | 1 | |
| Junko, Maiju | Maiju Junko | Costume Designer | 2005 | 1 | 1 |
| Jönsson Lunde, Evalena | Evalena Jönsson Lunde | Costume Designer | 2005 | 1 | |
| Joshi, Nalini | Nalini Joshi | Costume Designer | 2006 | 1 | |
| Joutsen, Tiina | Tiina Joutsen | Costume Designer | 2008 | 1 | |
| Jäger, Ingrid | Ingrid Jäger | Costume Designer | 2008 - 2009 | 2 | |
| Jack, Summer, Lee | Summer Lee Jack | Costume Designer | 2010 | 1 | |
| Josalkar, Padmashree | Padmashree Josalkar | Costume Designer | 2010 | 1 | |
| Jambrek, Jerneja | Jerneja Jambrek | Costume Designer | 2010 - 2012 | 3 | |
| Jud, Karin | Karin Jud | Costume Designer | 2011 | 1 | |
| Jurglanis, Marla J. | Marla J. Jurglanis | Costume Designer | 2011 | 1 | |
| Jeftic, Ognjen | Ognjen Jeftic | Costume Designer | 2014 | 1 | |
| Jackson, Yvonne | Yvonne Jackson | Costume Designer | 1964 | 1 | |
| Jackson, Rhea | Rhea Jackson | Costume Designer | 1961 | 1 | |
| Jappe-Alberts, - | - Jappe-Alberts | Costume Designer | 1961 | 1 | |
| 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 | |
| Jones, Pam | Pam Jones | Costume Designer | 2024 | 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 | |
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