| LAB | Laboratory | 实验室 |
| LAB | Labour Advisory Board | 劳工咨询委员会 |
| LAB | Louisiana Association for the Blind | 路易斯安那州盲人协会 |
| LAB | Louisiana Alliance for Biotechnology | 路易斯安那州生物技术联盟 |
| LAB | Lightness-A-B (color model) | 亮度-A-B（彩色型号） |
| LAB | Linear Alkyl Benzene | 直链烷基苯 |
| LAB | League of American Bicyclists | 美国自行车骑士联盟 |
| LAB | Labour Party (UK political party) | 工党（英国政党） |
| LAB | Logistics Assault Base | 后勤攻击基地 |
| LAB | Lactic Acid Bacteria | 乳酸菌 |
| LAB | Leave Authorization Balance | 准假权限 |
| LAB | Logic Array Block(s) | 逻辑阵列块 |
| LAB | Legal Aid Board | 法律援助委员会 |
| LAB | Low-Angle Bombing | 低角度轰炸 |
| LAB | Low Altitude Bombardment | 低空轰炸 |
| LAB | Live Aus Berlin (Rammstein DVD) | 柏林奥运会现场直播（Rammstein DVD） |
| LAB | Licensed Associate Broker | 持牌关联经纪人 |
| LAB | Local Area Broadcast | 区域广播 |
| LAB | Legal Advisory Board for the Information Market (EU) | 信息市场法律咨询委员会（欧盟） |
| LAB | Labour Party (New Zealand political party) | 工党（新西兰政党） |
| LAB | Language Across Borders | 跨国界语言 |
| LAB | Ligon Arts Boosters | Ligon艺术促进会 |
| LAB | Long And Boring | 长而无聊 |
| LAB | Latino Actors Base | 拉丁裔演员基地 |
| LAB | Live Audio Board | 现场音频板 |
| LAB | Listener Advisory Board | 听众咨询委员会 |
| LAB | Language Assessment Battery | 语言评估组 |
| LAB | Land Air Battle | 地面空战 |
| LAB | Library Advisory Board | 图书馆咨询委员会 |
| LAB | Large Array Block | 大型阵列块 |
| LAB | Light Armor Battalion | 轻型装甲营 |
| LAB | Light Assault Bridge | 轻型突击桥 |
| LAB | labetalol | 拉贝洛尔 |
| LAB | London Academy of Bartending | 伦敦易货学院 |
| LAB | lab ferment | 实验室发酵 |
| LAB | Mailing labels (Q+E for MS Excel) | 邮寄标签(问+ E为MS Excel) |
| LAB | a rennet ferment coagulating milk | 凝乳酶凝固乳 |
| LAB | Labranche & Company, Inc. | Labranche &公司,公司 |
| LAB | leisure activities blank | 休闲活动空白 |
| LAB | Datafile (NCSS - SOLO) | 数据文件（NCSS-SOLO） |
| LAB | Local Area Bands | 局域频带 |
| LAB | Lengile Abertzale Batzordea | Lengile Abertzale Batzordea公司 |
| LAB | Lablab, Papua New Guinea | 巴布亚新几内亚Lablab |
| LAB | Linux Audio Board | Linux音频板 |
| LAB | Labradour Retriever | 拉布拉多寻回犬 |