| Ligase | ADNligasa |
| ligate | liar |
| ligature | ligadura |
| Ligerz | Ligerz |
| light | incendiar |
| Light Amplification by Stimulated Emission of Radiation | láser |
| Light amplifier | Amplificador de luz |
| light bulb | bombilla |
| Light coherence | Coherencia de la luz |
| Light comedy | Vodevil |
| Light cone | Cono de luz |
| Light cruiser | Crucero ligero |
| Light curve | Curva de luz |
| Light emission | Emisión de luz |
| light heavyweight | peso semipesado |
| Light infantry | Infantería ligera |
| Light interference | Interferencia luminosa |
| Light interferometry | Interferometría en el visible |
| light meal | colación |
| Light novel | Novela ligera |
| Light polarization | Polarización electromagnética |
| Light pollution | Contaminación lumínica |
| Light therapy | Fototerapia |
| light up | lucir |
| Light Yagami | Light Yagami |
| light year | año luz |
| Light-dependent reaction | Fase clara |
| Light-emitting diode | Diodo emisor de luz |
| light-fingered | listo de manos |
| light-headed | mareado |
| light-headedness | mareo |
| light-hearted | animado |
| Light-independent reaction | Fase oscura |
| Light-second | Segundo luz |
| Light-wave cable | Fibra óptica |
| light-year | año luz |
| lighted | iluminado |
| lighten | clarear |
| lightened | alumbrado |
| lightens | aliviado |
| lighter | mechero |
| lightheaded | atolondrado |
| lightheadedness | mareo |
| lightheartedness | jarana |
| lighthouse | faro |
| Lighthouse of Alexandria | Faro de Alejandría |
| lighting | iluminación |
| Lighting effects | Iluminación física |
| lightly | ligeramente |
| lightness | facilidad |
| lightning | relámpago |
| lightning rod | pararrayos |
| Lightning Victory | Blitz |
| Lightning War | Blitzkrieg |
| Lightsaber | Sable de luz |
| LightScribe | LightScribe |
| lightship | buque faro |
| Lightspeed Rescue Power Rangers | Carter Grayson |
| Lighttpd | Lighttpd |
| lightweight | ligero |
| Lightweight markup language | Lenguaje de marcas ligero |
| Lightyear | Año luz |
| Ligier | Ligier |
| Lignan | Lignano |
| Ligne claire | Línea clara |
| Lignerolle | Lignerolle |
| lignite | lignito |
| lignite mining | explotación minera de lignito |
| Ligornetto | Ligornetto |
| ligroin | bencina |
| ligroine | bencina |
| Ligue de Football Professionnel | Liga francesa de fútbol |
| Ligue Féminine de Basketball | Liga femenina de baloncesto de Francia |
| Ligue Haïtienne | Liga de fútbol de Haití |
| Ligures | Ligures |
| Liguria | Liguria |
| Ligurian | Liguria |
| Ligurian language | Ligures |
| Ligurian Republic | República Ligur |
| Ligurian Sea | Mar de Liguria |
| Ligustrum sinense | Ligustrum sinense |
| Ligustrum vulgare | Ligustrum vulgare |
