HL
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| HL | Mustard-Lewisite Mixture | - | Computer Acronyms(common) |
| HL | Hardline | - | Organizations |
| HL | Heel Line | - | Organizations |
| HL | High Level | - | Organizations |
| HL | Hinge Line | - | Organizations |
| HL | Hydrogen Line | - | Organizations |
| HL | Holding Line | - | Astronomy |
| HL | Hectolitre | - | Astronomy |
| HL | Half Life | - | Business and Finance |