| Acronym | Sense | Language | Topics |
|---|---|---|---|
| LASER | Light Amplification by Stimulated Emission of Radiation | In English | → Physics → Engineering, technology |
| LASER | Mouvement de Liaison des Associations de SÉcurité Routière | In French | → Organizations and associations → Transport and postal services |
| LASER | Lum-Amplifo per Stimulata Eligo de Radioj | In Esperanto | → Electromagnetism |