| SDZ | Site du ZÉro (French website) | Site du ZÉro (French website) |
| SDZ | Surface Danger Zone | 地表危险区 |
| SDZ | Srpski Drzavni Zeleznice (Serbian State Railway; Belgrade, Serbia) | Srpski Drzavni Zeleznice（塞尔维亚国家铁路；塞尔维亚贝尔格莱德） |
| SDZ | Safety Danger Zone | 安全危险区 |
| SDZ | San Diego Zoo | 圣地亚哥动物园 |
| SDZ | Shankar Dada Zindabad (Indian film) | 尚卡·达达·津达巴德（印度电影） |
| SDZ | SulphaDiaZine | 硫二嗪 |
| SDZ | Shopping Directory Zone | 购物目录区域 |
| SDZ | Sydney Dance Zone | 悉尼舞蹈区 |
| SDZ | Shetland Islands, Scotland, UK | 英国苏格兰设得兰群岛 |