Simpsons Characters that begin with the letter J
- Jenny
- Julia
- Jericho
- Jub-Jub
- Jim Hope
- Jr. Lisa
- Jones, Mr
- Jass, Hugh
- Joe Quimby
- John Frink
- Jack Marley
- James Brown
- Jimbo Jones
- Judge Muntz
- Jack Crowley
- Janey Powell
- Jones, Carol
- Jones, Jimbo
- Javier Bardem
- Jerry Freeman
- Juliet Hobbes
- Jeff Alberston
- Johnson, Agent
- Julius Hibbert
- Jasper Beardley
- Jessica Lovejoy
- Javier Maricotas
- Johnny Tightlips
- Jacques Brunswick
- Jacqueline Bouvier
- Judge Constance Harm