| LSG | Landing Ship, Gantry | 登陆舰，龙门架 |
| LSG | Longitudinal Study of Generations | 世代纵向研究 |
| LSG | Large-scale Geostrophic | 大规模地转 |
| LSG | Landing Ship, Gun | 登陆舰，火炮 |
| LSG | Lord Saint Germain | 圣日耳曼勋爵 |
| LSG | Linux Support Group | Linux支持组 |
| LSG | Lump Sum Grant | 整笔拨款 |
| LSG | Laboratorio de Soluciones Geneticas SC (Mexico) | Soluciones Geneticas SC实验室（墨西哥） |
| LSG | Lateral/Logistical Support Group | 横向/后勤支援小组 |
| LSG | Light to Solar Gain | 光对太阳增益 |
| LSG | Logistic(s) Support Group | 后勤保障组 |
| LSG | Logistics Solutions Group | 物流解决方案组 |
| LSG | Lan Speed Games (website) | Lan Speed Games（网站） |
| LSG | Levert Sweat and Gill (band) | Levert Sweat and Gill（乐队） |
| LSG | low-idle speed governor | 低怠速调速器 |
| LSG | Local Street Gazetteer | 当地街道地名簿 |
| LSG | Linear Sequence Generator | 线性序列生成器 |
| LSG | Little School Girl | 小女孩 |
| LSG | Lagos State Government | 拉各斯州政府 |
| LSG | Lip Smacking Good | 咬嘴唇很好 |
| LSG | Lufthansa Service GMBH | 汉莎航空服务有限公司 |
| LSG | Loco Secretaris-Generaal (Dutch: vice general secretary) | 一般秘书处（荷兰语：副秘书长） |
| LSG | Lunar Surface Gravimeter | 月面重差计 |
| LSG | Low Speed Group | 低速组 |
| LSG | Life Sciences Glovebox | 生命科学手套箱 |
| LSG | Long Slow Goodbye | 漫长而缓慢的再见 |