| Jasnotowate | Læbeblomst-familien |
| Jasnotowce | Læbeblomst-ordenen |
| jasnowidzenie | clairvoyance |
| jasny | klar |
| Jason Jackson | Jason Jackson |
| Jason Lee | Jason Lee |
| Jason Newsted | Jason Newsted |
| Jason Reso | Jason Reso |
| Jassy | Iaşi |
| Jastrun właściwy | Matrem |
| Jastrych | Øvelser på gulv |
| jastrząb | duehøg |
| Jastrząb gołębiarz | Duehøg |
| Jastrzębie | Duehøg |
| Jastrzębiec kosmaczek | Håret Høgeurt |
| Jastrzębiowate | Accipitridae |
| jaszczurka | firben |
| Jaszczurka zwinka | Markfirben |
| Jaszczurka żyworodna | Skovfirben |
| Jaszczurki | Firbenet |
| Jaszczurki właściwe | Firbenet |
| Jaunde | Yaoundé |
| Java | Java |
| Java Message Service | JMS |
| JavaScript | JavaScript |
| JavaServer Faces | Java Server Faces |
| JavaServer Pages | JSP |
| Javier Pérez de Cuéllar | Javier Pérez de Cuéllar |
| Jawa | Java |
| Jawaharlal Nehru | Jawaharlal Nehru |
| jawor | ahorn |
| Jaworzno | Jaworzno |
| Jay Leno | Jay Leno |
| Jay-Z | Jay-Z |
| jazda | ridt |
| jazgot | volapyk |
| Jazon | Jason |
| jazz | jazz |
| Jazz-rock | Fusion |
| Jałomica | Ialomiţa |
| jałowiec | ene |
| Jałowiec pospolity | Almindelig Ene |
| Jałta | Jalta |
| jaźwiec | grævling |
| JDBC | JDBC |
| Jean Arthur Rimbaud | Arthur Rimbaud |
| Jean Baptiste Joseph Fourier | Joseph Fourier |
| Jean Baptiste Perrin | Jean Baptiste Perrin |
| Jean Baudrillard | Jean Baudrillard |
| Jean Bernard Léon Foucault | Jean Bernard Léon Foucault |
| Jean Cocteau | Jean Cocteau |
| Jean de La Fontaine | Jean de La Fontaine |
| Jean Genet | Jean Genet |
| Jean Giraud | Jean Giraud |
| Jean Ingres | Jean Auguste Dominique Ingres |
| Jean Jacques Rousseau | Jean-Jacques Rousseau |
| Jean Monnet | Jean Monnet |
| Jean Paul Marat | Jean-Paul Marat |
| Jean Piaget | Jean Piaget |
| Jean Picard | Jean Picard |
| Jean Renoir | Jean Renoir |
| Jean Sibelius | Jean Sibelius |
| Jean-Baptiste Camille Corot | Jean-Baptiste Camille Corot |
| Jean-Baptiste de Lamarck | Jean-Baptiste Lamarck |
| Jean-Baptiste Lully | Jean-Baptiste Lully |
| Jean-Bertrand Aristide | Jean-Bertrand Aristide |
| Jean-Claude Juncker | Jean-Claude Juncker |
| Jean-Claude Trichet | Jean-Claude Trichet |
| Jean-Claude Van Damme | Jean-Claude Van Damme |
| Jean-François Pilâtre de Rozier | Pilâtre de Rozier |
| Jean-Luc Godard | Jean-Luc Godard |
| Jean-Luc Picard | Jean-Luc Picard |
| Jean-Marc Barr | Jean-Marc Barr |
| Jean-Marie Le Pen | Jean-Marie Le Pen |
| Jean-Michel Jarre | Jean-Michel Jarre |
| Jean-Paul Sartre | Jean-Paul Sartre |
| Jean-Philippe Rameau | Jean-Philippe Rameau |
| Jean-Pierre Cassel | Jean-Pierre Cassel |
| Jean-Pierre Jeunet | Jean-Pierre Jeunet |
| Jean-Pierre Melville | Jean-Pierre Melville |
| Jean-Pierre Papin | Jean-Pierre Papin |
| jeb się! | Knep dig selv |
