| Artist | Year at the Gathering |
| J Biz R | 2019, 2021 |
| J Dirty | 2012 |
| J Dub | 2016 |
| J Payne | 2019, 2021 |
| J Reno | 2008, 2009, 2010 |
| J. Irja | 2019 |
| J. Sin The Menace | 2006, 2007, 2008 |
| J.P.K. | 2015, 2016, 2017, 2018 |
| Jack Ledger | 2015 |
| Jakk Faust | 2021 |
| Jamie Kennedy | 2012 |
| Janis Joplin Tribute | 2018 |
| Jared Logan | 2013 |
| Jarren Benton | 2014, 2015 |
| Jason Benci | 2008, 2009 |
| Jason Porter | 2007 |
| Jedi Mind Tricks | 2019 |
| Jelly Roll | 2012, 2013, 2014, 2016, 2017, 2018 |
| JFE Boyz | 2011 |
| Jim Breuer | 2016 |
| Jim Norton | 2013, 2016 |
| Jimi Hendrix Tribute | 2018 |
| Jimi Kanklez | 2009, 2011, 2012 |
| Jimmy JJ Walker | 2009, 2011 |
| Joe Derosa | 2007 |
| Joe Matarese | 2007 |
| Joey Cough | 2018 |
| Joey Gay | 2007, 2008, 2014, 2016 |
| John Hood | 2011 |
| Johnny Richter | 2014 |
| Judah Friedlander | 2015 |
| Jumpsteady | 2003, 2004, 2005, 2006, 2019 |
| Justinsayne N8v | 2014 |
| Juvenile | 2011 |
