| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Klaus Jedzek | Director | 1949 | 1 | |||
| Thorolf Jansson | Director | 1902 - 1914 | 2 | |||
| Josef Javorčák | Director | 1905 | 1 | |||
| Roy Lie Jonassen | Director | 1998 - 2006 | 2 | |||
| Lin Jønnum | Director | 2009 | 1 | |||
| Irene Aarset Johansen | Director | 2010 | 1 | |||
| Siri Aarset Johansen | Director | 2010 | 1 | |||
| Mads Jørgensen | Director | 2013 | 1 | 1 | ||
| Václav Jiříkovský | Director | 1922 | 1 | |||
| Dániel Jób | Director | 1923 | 2 | 1 | ||
| Pjotr Mihajlovitsch Jarzev | Director | 1924 | 1 | |||
| Frances Jewett | Director | 1926 | 1 | |||
| Jon Jory | Director | 1972 | 1 | 1 | ||
| Jacob Jacobsen | Director | 1912 | 1 | |||
| Hermann Jacobi | Director | 1898 | 1 | |||
| Rauli Jokelin | Director | 1978 | 1 | |||
| Martin Jenkins | Director | 1978 | 1 | 1 | ||
| B. Jeřábek | Director | 1913 | 1 | |||
| Jack Jones | Director | 1972 | 1 | |||
| Frank Johns | Director | 1967 | 1 | 1 | ||
| Gao Jixiang | Director | 1996 | 1 | |||
| Göran Järvefelt | Director | 1976 | 2 | 1 | ||
| Kate Jopson | Director | 2014 | 1 | |||
| Jewell Johnson | Director | 2013 | 1 | |||
| Michael Jurgons | Director | 1992 - 1998 | 2 | |||
| Nikola Jevtić | Director | 1991 | 1 | |||
| Thomas Janßen | Director | 1993 - 1998 | 3 | |||
| Krystyna Janda | Director | 1995 | 1 | |||
| H. Lionel Jackson | Director | 1969 | 1 | 1 | ||
| Matthew John | Director | 2016 | 1 | 1 | ||
| Karel Jernek | Director | 1943 - 1966 | 2 | |||
| Rosemary Johns | Director | 2004 | 2 | |||
| Valentin Jeker | Director | 2004 | 1 | 1 | ||
| Robert M. Johanson | Director | 2015 | 1 | |||
| Steve Jarrard | Director | 2015 | 1 | |||
| Agnius Jankevičius | Director | 2006 - 2007 | 2 | |||
| Marino Jr | Director | 2008 | 1 | |||
| Laura Jäntti | Director | 2008 | 2 | |||
| J. Buck Jabaily | Director | 2009 | 1 | |||
| Tricia T. Jones | Director | 2008 | 1 | |||
| Ravyn Jazper-Hawke | Director | 2010 | 1 | |||
| B. Jayashree | Director | 2010 | 1 | |||