| CLSD | Certified Lodging Security Director (American Hotel & Motel Association) | 注册主任(美国酒店住宿安全及旅馆协会) |
| CLSD | Closed | 关闭 |
| CLSD | Clay, Some Sand (lithological term) | 粘土、部分砂（岩性术语） |
| CLSD | Color Large Screen Display | 彩色大屏幕显示器 |
| CLSD | Clutch Limited Slip Differential | 离合器限滑差速器 |
| CLSD | Craniolenticulosutural Dysplasia | 颅管发育不良 |
| CLSD | Cornwall-Lebanon School District (Lebanon, Pennsylvania) | 康沃尔黎巴嫩学区（黎巴嫩，宾夕法尼亚州） |