| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| 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 | |||
| Anja Junski | Director | 2011 | 8 | |||
| Bettina Jahnke | Director | 2011 | 4 | |||
| Ilona Januschewski | Director | 2011 - 2012 | 4 | |||
| Park Jung-hee (박정희) | Director | 2012 - 2025 | 4 | |||
| John Johnson | Director | 2016 | 1 | |||
| Paul Johnson | Director | 2011 | 1 | |||
| Laura Jones | Director | 2013 | 1 | |||
| Richard Jones | Director | 2013 | 1 | 1 | ||
| Wayne Jordan | Director | 2013 | 1 | |||
| Westley B. Johnson | Director | 1952 | 1 | |||
| Jekaterina Jelanskaja | Director | 1998 | 1 | 1 | ||
| Em. Josan | Director | 1935 - 1937 | 2 | |||
| Arthur Johnston | Director | 1938 | 1 | |||
| Bram Jansen | Director | 2017 | 1 | |||
| Margo Jones | Director | 1947 | 1 | |||
| Martin Jarvis | Director | 2014 | 1 | |||
| Kevin Jackson | Director | 1978 | 3 | |||
| Mark Jackson | Director | 2016 | 1 | |||
| Mauricio Jiménez | Director | 2017 | 1 | |||
| Yang Jung-ung | Director | 2017 | 2 | |||
| Chris Johnson | Director | 2019 | 1 | |||
| Lavina Jadhwani | Director | 2019 | 1 | |||
| Abburu Jayatheertha | Director | 2019 | 1 | |||
| András Jeles | Director | 2019 - 2020 | 2 | |||
| Dimitrije Jovanović | Director | 1981 | 1 | |||
| Jovan Jeremić | Director | 1932 | 1 | |||
| Vlado Jablan | Director | 1983 | 2 | |||
| Percy Jiménez | Director | 2016 | 1 | |||
| Antulio Jiménez Pons | Director | 1980 - 1994 | 2 | |||
| Vladimir Jorov | Director | 2020 | 1 | |||