| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Oliver Josifovski | Musical Director | 2013 - 2015 | 3 | |||
| Edward Johnson | Musical Director | 1961 | 1 | |||
| Per Janke Jørgensen | Musical Director | 1986 | 1 | 1 | ||
| Mladen Jeličić | Musical Director | 1983 | 1 | |||
| Zoran Jaćimović | Musical Director | 1996 | 1 | |||
| Stéphanie Jaquier | Musical Director | 2018 | 1 | |||
| Kjell-Arne Jørgensen | Musician | 2011 | 1 | |||
| Stein Jonassen | Musician | 2011 | 1 | |||
| Eva Jonassen | Musician | 2011 | 1 | |||
| Geir Johansen | Musician | 2013 | 1 | |||
| Jiang Junliang | Musician | 2006 - 2009 | 5 | |||
| Ricardo Jova | Musician | 1991 | 1 | |||
| Thomas Jahn | Musician | 1990 | 1 | |||
| Ben Jeger | Musician | 1995 | 1 | |||
| Hans-Peter Jannoch | Musician | 1967 | 2 | |||
| Emelie Jansson | Musician | 2001 | 1 | |||
| Marla Joy | Musician | 2006 | 1 | |||
| Frédéric Jouhannet | Musician | 2008 | 3 | |||
| Philipp Jagschitz | Musician | 2008 | 1 | |||
| Robert Jones | Musician | 1961 | 1 | |||
| Janne Johansen | Musician | 1993 | 1 | |||
| Ben Jones | Musician | 2018 | 1 | |||
| Per Jørgensen | Musician | 2019 | 2 | |||
| Per Texas Johansson | Musician | 2020 | 36 | |||
| Elfriede Jelinek | Playwright | 2016 | 1 | 1 | ||
| Herbert Jarman | Producer | 1906 | 1 | |||
| Hanneke Janzen | Producer | 1991 | 1 | |||
| Feng Jianqin | Producer | 2005 | 2 | |||
| Wang Jingbo | Producer | 2006 | 1 | |||
| Zhang Jun | Producer | 2006 - 2009 | 2 | |||
| Katharina Jakhelln Semb | Producer | 2014 - 2015 | 4 | |||
| Yunpeng Ju | Producer | 2014 | 2 | |||
| Conor Jordan | Producer | 2017 | 4 | |||
| Rupert James | Producer | 2016 | 1 | |||
| Jack Landau | Producer | 1966 | 1 | |||
| Kristina Jeličanin | Producer | 2022 | 1 | |||
| Mathilde Juillard | Set Designer | 2023 | 1 | |||
| Eirik Jørstad | Sound Designer | 2003 - 2004 | 22 | |||
| Stefan Jacobs | Sound Designer | 2010 | 1 | |||
| Arne Edvard Johnsen | Sound Designer | 2001 | 1 | |||
| Mats Johansson | Sound Designer | 1995 - 1996 | 4 | |||
| Zvonko Jovčić | Sound Designer | 1981 | 1 | |||