| Acronym | Definition |
|---|
| KLH➣Keyhole Limpet Hemocyanin |
| KLH➣Kementerian Lingkungan Hidup (Indonesian: Institutional Ministry of Environment; Indonesia) |
| KLH➣Kantor Lingkungan Hidup (Indonesia Office of Environment) |
| KLH➣Knight of the Legion of Honour |
| KLH➣Korea Light Helicopter |
| KLH➣Kloss, Lowe and Hoffman (audio equipment brand) |
| KLH➣Ka Lahui Hawaii |