| hardware dealer | ferretero |
| Hardware register | Registro del sistema |
| Hardware Security Module | HSM |
| hardware store | ferretería |
| hardwood | madera dura |
| hardy | audaz |
| Hardy Cross | Hardy Cross |
| Hardy-Weinberg principle | Ley de Hardy-Weinberg |
| hare | liebre |
| Hare quota | Cociente Hare |
| harebell | campánula |
| harebrained | atolondrado |
| Haredi Judaism | Jaredí |
| harelip | labio leporino |
| harem | harén |
| Hargeisa | Hargeisa |
| Hargeysa | Hargeisa |
| Harghita County | Harghita |
| Hari Seldon | Hari Seldon |
| HARIBO | Haribo |
| haricot | judía |
| Harissa | Harissa |
| Hariyanto Arbi | Heryanto Arbi |
| Harju County | Condado de Harju |
| Harlan Ellison | Harlan Ellison |
| Harlem | Harlem |
| Harlem Renaissance | Renacimiento de Harlem |
| harlequin | arlequín |
| Harlequin Valentine | Arlequín Enamorado |
| Harley Quinn | Harley Quinn |
| Harley-Davidson | Harley-Davidson |
| Harley-Davidson Sportster | Sportster |
| harlot | ramera |
| Harlots | Muchachas putierrez |
| Harlow Shapley | Harlow Shapley |
| harm | perjudicar |
| Harmal | Peganum harmala |
| Harman Seaton sequence | Secuencia de Harman-Seaton |
| harmful | perjudicial |
| harming | perjudicial |
| harmless | ingenuo |
| harmless to the environment | inofensivo para el medio ambiente |
| Harmodius and Aristogeiton | Tiranicidas |
| Harmonia | Harmonía |
| harmonic | armónico |
| Harmonic oscillation | Oscilador armónico |
| harmonica | armónica |
| Harmonices Mundi | Harmonices Mundi |
| harmonious | conforme |
| harmoniousness | armonia |
| harmonisation of law | armonización legal |
| Harmonist | Músico |
| harmonium | armonio |
| harmonization | armonización |
| harmonize | poner de acuerdo |
| harmony | congruencia |
