| James Dean Conklin | | 2003 | plot, script, pencils, ink | | 2 |
| James J. Langdon | | 1973–1974 | plot, script | | 2 |
| Jan Kjærstad | | 2007–2013 | plot, script | | 2 |
| Jan P. Krogh | | 2004–2005 | plot, script | | 2 |
| Jan de Ruyter | Netherlands | 1972–1973 | pencils, ink | | 2 |
| Janina Kanschat | | 2008 | pencils, ink | | 2 |
| Janita Loppinen | | 2021 | plot, script, pencils, ink | | 2 |
| Jaques Bakker | | 1985–1989 | plot | | 2 |
| Jari Strömberg | | 1983 | plot, script | | 2 |
 | Jari Tervo | Finland | 2012 | plot, script | | 2 |
| Jasmin Rantala | | 2023 | plot, script, pencils, ink | | 2 |
| Jason Surrell | | 2010 | plot, script | | 2 |
| Javier Comas | | 1990 | plot, script | | 2 |
| Jean Duval | France | 1994–2010 | plot, script, pencils, ink | | 2 |
| Jean-Claude Glasser | | 1977–1980 | plot, script | | 2 |
| Jean-Claude Romer | | 1966 | plot, script | | 2 |
| Jean-Luc Cornette | | 2017–2021 | plot, script, pencils, ink | | 2 |
 | Jean-Marc van Tol | Netherlands | 1990–2009 | plot, script, pencils, ink | | 2 |
| Jens Thorvald Høeg | | 2017–2019 | plot, script | | 2 |
| Jere Kukka | | 2021 | plot, script, pencils, ink | | 2 |
| Jesper Sørensen | Denmark | 1995–1996 | plot | | 2 |
| Jesse Lamminranta | | 2023 | plot, script, pencils, ink | | 2 |
| Jessica Ruiz | | 2026 | ink | | 2 |
| Jesús Manuel Montané | | 1994 | plot, script | | 2 |
| Jii Roikonen | | 2001–2004 | pencils, ink | | 2 |
| Joachim Butz | | 1995–1997 | plot, script | | 2 |
| Joachim Janz | | 2024–2025 | plot, script | | 2 |
| Joan Lommen | Netherlands | 2010–2014 | plot, script | | 2 |
| Jody Daily | | 2016 | pencils, ink | | 2 |
| Joe Mateo | | 2011 | pencils, ink | | 2 |
| Joe Rinaldi | United States | 1959 | plot, script | | 2 |
| Joel Enos | | 2014–2015 | plot, script | | 2 |
| Johan Blixt | | 2011–2026 | plot, script | | 2 |
| Johannes Rissanen | | 2021–2023 | pencils, ink | | 2 |
| John Arapis | | 2019–2020 | plot, script, pencils, ink | | 2 |
| John Berge | | 2016–2017 | plot, script | | 2 |
| John Derksen | Netherlands | 1982 | ink | | 2 |
| John Raymond | | 2012–2013 | pencils, ink | | 2 |
| John Sibley | | 1958–1959 | pencils, ink | | 2 |
| John Stanley | United States | 1932–1935 | pencils, ink | | 2 |
| Jon Morris | United States | 2006–2007 | pencils, ink | | 2 |
| Jonatan Luoto | | 2023 | plot, script, pencils, ink | | 2 |
| Jonathan Levy | | 2023–2025 | plot, script, pencils, ink | | 2 |
| Joni Tontti | | 2021 | plot, script, pencils, ink | | 2 |
| Joonas Siukola | | 2023 | pencils, ink | | 2 |
| Joop Veltman | Netherlands | 1983 | plot, script, pencils, ink | | 2 |
| Jorge Caxeado | Brazil | 1995–1996 | ink | | 2 |
| Jorge Yamamoto | Brazil | 1995 | ink | | 2 |
| Josef Purea | | 2020–2021 | plot, script | | 2 |
| Joseph Cowles | | 2015–2016 | plot, script | | 2 |
| Joshua Middleton | | 2023–2024 | pencils, ink | | 2 |
| José Evaldo Oliveira | Brazil | 1987 | plot, script, pencils | | 2 |
| Jouko Ruokosenmäki | | 2001–2010 | plot, script, pencils, ink | | 2 |
| Judith Peignen | France | 2019–2020 | plot, script | | 2 |
| Juha Mäkinen | | 2009 | plot, script | | 2 |
| Juhis Saksa | | 2024 | plot, script | | 2 |
| Jukka Piira | | 2021–2023 | pencils, ink | | 2 |
| Jukka Relander | | 2006–2012 | plot, script | | 2 |
| Jukka Tilsa | | 1990–2001 | pencils, ink | | 2 |
| Juko Holma | | 2023 | pencils, ink | | 2 |