| LDL | low-density lipoprotein | 低密度脂蛋白 |
| LDL | Low Density Lipoprotein (so-called 'bad' cholesterol) | 低密度脂蛋白(所谓的“坏的胆固醇) |
| LDL | Lower Detection Limit | 检测下限 |
| LDL | Lower Deviation Level | 下偏差水平 |
| LDL | Low Density Level (asset supply management) | 低密度水平（资产供应管理） |
| LDL | Low Density Protein | 低密度蛋白质 |
| LDL | Litho Density Log (Oil Industry) | 岩性密度测井（石油工业） |
| LDL | Linux Distribution List | Linux通讯组列表 |
| LDL | Loudness Discomfort Level (audiology) | 响度不适水平（听力） |
| LDL | Lightwave Data Links (AT&T) | 数据连接(AT&T)的光波 |
| LDL | Low Density Lipoprotein | 低密度脂蛋白 |
| LDL | loudness discomfort level | 响度不适水平 |
| LDL | low-density lymphocyte | 低密度淋巴细胞 |
| LDL | lowest detectable limit | 最低检测限 |
| LDL | Low- Density Lipoprotein (Cholesterol) | 低密度脂蛋白（胆固醇） |
| LDL | Lydall, Inc. | 利达尔公司。 |