| Acronym | Definition |
|---|
| kDa | Kilodaltons (molecular weight) |
| kDa | Kills Deaths Assists (gaming) |
| kDa | Kuratorium Deutsche Altershilfe (German: Trustees German Old-Age Insurance) |
| kDa | Karachi Development Authority (Pakistan) |
| kDa | Kentucky Distillers Association |
| kDa | Kentucky Department of Agriculture |
| kDa | Kanpur Development Authority (India) |
| kDa | Khulna Development Authority (Bangladesh) |
| kDa | Kongsberg Defence & Aerospace (Norway) |
| kDa | Kachin Defense Army |
| kDa | Kansas Department of Administration |
| kDa | Kansas Dental Association |
| kDa | Kentucky Dressage Association |
| kDa | Kentucky Dietetic Association (advocate) |
| kDa | Kazaa Download Accelerator (software) |
| kDa | Kill Destroy Annihilate (gaming clan) |
| kDa | Known Direction of Arrival |