| Jan | Language.Drasil.Data.Date, Language.Drasil |
| Java | Language.Drasil.Code.Lang, Language.Drasil.Code |
| JavaCode | GOOL.Drasil.LanguageRenderer.JavaRenderer |
| JavaProject | Language.Drasil.Code.Imperative.GOOL.LanguageRenderer.JavaRenderer |
| jBueche | Data.Drasil.People |
| JC | GOOL.Drasil.LanguageRenderer.JavaRenderer |
| jKrahn | Data.Drasil.People |
| jmBracci | Data.Drasil.People |
| jName | GOOL.Drasil.LanguageRenderer.JavaRenderer, GOOL.Drasil |
| jnlCGJ | Data.Drasil.Citations |
| johnson2008 | Drasil.PDController.References |
| joint | Data.Drasil.Concepts.Physics |
| joule | Data.Drasil.SI_Units |
| Journal | |
| 1 (Data Constructor) | Language.Drasil.Data.Citation, Language.Drasil |
| 2 (Data Constructor) | Language.Drasil.Printing.Citation |
| journal | Language.Drasil.Data.Citation, Language.Drasil |
| JP | Language.Drasil.Code.Imperative.GOOL.LanguageRenderer.JavaRenderer |
| jRalyte | Data.Drasil.People |
| jRobertson | Data.Drasil.People |
| JSON | |
| 1 (Data Constructor) | Language.Drasil.Generate |
| 2 (Data Constructor) | Language.Drasil.Format, Language.Drasil.Printers |
| Jul | Language.Drasil.Data.Date, Language.Drasil |
| Jun | Language.Drasil.Data.Date, Language.Drasil |
| Junk | Language.Drasil.Code.DataDesc |
| junk | Language.Drasil.Code.DataDesc |
| JunkData | Language.Drasil.Code.DataDesc |
| junkLine | Language.Drasil.Code.DataDesc, Language.Drasil.Code |
| Jupyter | |
| 1 (Data Constructor) | Language.Drasil.Generate |
| 2 (Data Constructor) | Language.Drasil.Format, Language.Drasil.Printers |
| justification | Drasil.DblPend.Body |
| jVect | Drasil.GamePhysics.Unitals |
| jVersion | GOOL.Drasil.LanguageRenderer.JavaRenderer, GOOL.Drasil |