| Hilla Heinonen | | 2021 | plot, script, pencils, ink | | 3 |
| Hubert Greif | | 1977–1978 | plot, script | | 3 |
| Ian Nonnekes | | 2025–2026 | plot, script | | 3 |
| Ian Nyholt | | 2023 | plot, script, pencils, ink | | 3 |
| Ida Maria Beretta | Italy | 2000 | ink | | 3 |
| Ilaria Potenza | | 2022–2025 | plot, script | | 3 |
| Ingo Milton | | 1974–1975 | plot, script | | 3 |
| Ivan Shavrin | | 2017–2022 | pencils, ink | | 3 |
| Ivana Murianni | | | plot, script | | 3 |
| J-P Luoma | | 1989 | plot, script | | 3 |
| J.G. | | 1984 | pencils, ink | | 3 |
| Jacob Berget | | 2003 | plot, script | | 3 |
| Jacob Hansen | Denmark | 1995–1996 | plot, script | | 3 |
| Jacopo Starace | | 2024 | pencils, ink | | 3 |
| Jahnoy Lindsay | | 2023 | pencils, ink | | 3 |
| Jaime Garcia | | 1998–2001 | pencils | | 3 |
| Jakob Kettner | | 2021–2022 | plot, script | | 3 |
| James C. Mulligan | | 2024–2025 | pencils, ink | | 3 |
| Janelle Bell-Martin | | 2015–2016 | pencils, ink | | 3 |
| Jari Lehtinen | | 2002–2011 | plot, script | | 3 |
| Jayden Holm | | 2022–2023 | plot, script | | 3 |
| Jean-Christophe Chauzy | | 2019 | pencils, ink | | 3 |
| Jean-Jacques Cartry | | 1992–1995 | plot, script | | 3 |
| Jeff Harvey | | 2021 | pencils, ink | | 3 |
| Jens T. Høeg | | 2023–2025 | plot, script | | 3 |
| Jim Flanagan | | 1995–1996 | plot, script | | 3 |
| Joakim Braun | | 1987–1993 | plot, script, pencils, ink | | 3 |
| John Francis Moore | United States | 1990 | plot, script | | 3 |
| Joshua Peeters | | 2006–2016 | plot, script | | 3 |
| Joshua Quagmire | United States | 1990–2001 | plot, script, pencils, ink | | 3 |
| José Claudino Gomes | | 1985 | pencils | | 3 |
| João Batista Queiroz | Brazil | 1974 | pencils | | 3 |
| Juanjo Cuerda | | 2023–2025 | plot, script, pencils, ink | | 3 |
| Jukka Eronen | | 2010 | plot, script | | 3 |
| Julio Berrios | | 1969–1970 | pencils, ink | | 3 |
| Juri Nummelin | | 2000–2005 | plot, script | | 3 |
| Jussi "Juba" Tuomola | | 2001–2016 | plot, script, pencils, ink | | 3 |
| Jyrki Jantunen | | 2007–2011 | plot, script | | 3 |
| Jérôme Verroust | | 2001 | plot, script | | 3 |
| Jørgen Müller | Denmark | 1970–1971 | pencils | | 3 |
| Kirsti Toppari | | 1990–2007 | plot, script | | 3 |
| Karen Kreider | United States | 1992 | plot, script | | 3 |
| Karine Charlebois | Canada | 2007–2008 | pencils, ink | | 3 |
| Karsten Juhl Jørgensen | | 1993–1994 | plot, script | | 3 |
| Kasper Kaasalainen | | 2021 | plot, script, pencils, ink | | 3 |
| Katia Albini | | 2005 | plot, script | | 3 |
| Katja Tukiainen | | 1999–2011 | plot, script, pencils, ink | | 3 |
| Kevin Glynn | | 2021–2023 | plot, script, pencils, ink | | 3 |
| Kjartan F. Stolberg | | 2010–2011 | plot, script, pencils, ink | | 3 |
| Konrad Rumpenhorst | | 1981–1982 | plot, script | | 3 |
| Krohn | Denmark | 1955 | pencils | | 3 |
| Kræsten Byskov | Denmark | 1994–1995 | plot, script, pencils, ink | | 3 |
| Lambert Wolterbeek-Muller | Netherlands | 1997–2000 | plot, script | | 3 |
| Lars Moustsen | | 2009–2010 | plot, script, pencils, ink | | 3 |
| Lasse Piispanen | | 2021 | plot, script, pencils, ink | | 3 |
| Laura Guglielmo | | 2023 | pencils | | 3 |
| Laurence Proux | | 2006–2008 | plot, script | | 3 |
| Layron DeJarnette | | 2002–2003 | pencils, ink | | 3 |
| Lazoo | | 2001–2002 | plot, script, pencils, ink | | 3 |
| Leif Magnusson | | 1983 | plot | | 3 |