| Jurassic | Jurásico |
| Jurassic Park | Parque Jurásico |
| Jurassic Park III | Parque Jurásico III |
| Juravenator | Juravenator |
| Jurchens | Yurchen |
| Jurgów | Jurgów |
| juridic | jurídico |
| juridical | jurídico |
| juridical act | acto jurídico |
| Juriens | Juriens |
| Jurij Vega | Jurij Bartolomej Vega |
| jurisdiction | jurisdicción |
| Jurispedia | Jurispedia |
| Jurisprodence | Filosofía del Derecho |
| jurisprudence | jurisprudencia |
| jurist | jurista |
| juristic | juridico |
| Juristic person | Persona jurídica |
| juror | jurado |
| jurors | jurado |
| jury | jurado |
| jury box | tribuna del jurado |
| juryman | jurado |
| jurywoman | jurada |
| Jus ad bellum | Ius ad Bellum |
| Juscelino Kubitschek bridge | Puente Juscelino Kubitschek |
| Juscelino Kubitschek de Oliveira | Juscelino Kubitschek |
| Jusepe de Ribera | José de Ribera |
| Jussi Björling | Jussi Björling |
| Jussy | Jussy |
| just | ajustado |
| just as | parecido a |
| just as ... as | tan ... como |
| just as well | igualmente |
| just clear | rozar |
| Just Fontaine | Just Fontaine |
| just imagine | ya te puedes imaginar |
| just in time | en el momento preciso |
| Just intonation | Temperamento justo |
| just like | parecido a |
| Just like Heaven | Ojalá fuera cierto |
| just like that | así como así |
| just my luck | que mala suerte |
| just yet | hasta ahora |
| Just-in-time compilation | Compilación en tiempo de ejecución |
| Justa Grata Honoria | Honoria |
| justice | imparcialidad |
| Justice and Development Party | Partido de la Justicia y el Desarrollo |
| Justice and Equality Movement | Movimiento Justicia e Igualdad |
| Justice and Truth Alliance | Justicia y Verdad |
| Justice as Fairness | Principio de diferencia |
| Justice CDP | Justice |
| Justice First | Primero Justicia |
| Justice League | Liga de la Justicia |
| Justice League Unlimited | Liga de la Justicia Ilimitada |
| Justice Minister | Ministro de justicia |
| Justice of the Peace | juez de paz |
| Justice Society of America | Sociedad de la Justicia de América |
| Justicia | Beloperone |
| Justicialist Party | Partido Justicialista |
| justifiable | justificable |
