| Acronym | Definition |
|---|
| LAG | La Grange (Amtrak station code; La Grange, IL) |
| LAG | Latest and Greatest |
| LAG | Landesarbeitsgericht (German: National Labor Court) |
| LAG | Lagos, Nigeria |
| LAG | Lehramt an Gymnasien (German: Secondary School Teacher) |
| LAG | Lowest Adjacent Grade |
| LAG | Link Aggregation Group |
| LAG | Line Access Gateway |
| LAG | Local Application Group |
| LAG | Latin America Group (various organizations) |
| LAG | Legal Action Group (UK charity) |
| LAG | Link Aggregation Group (IEEE standard) |
| LAG | Liquids, Aerosols and Gels |
| LAG | Lousy at Gaming |
| LAG | Local Agency Guidelines |
| LAG | Laufstall-Arbeits-Gemeinschaft e.V. |
| LAG | Lebensabschnittsgefährte (German: Common Law Spouse) |
| LAG | Left-Associative Grammar |
| LAG | Lakes Area GMRS Repeater Group |
| LAG | Livid and Gifted (gaming clan) |
| LAG | Live Action Gaming |
| LAG | Law Advisory Group |
| LAG | Louisiana Anti-Scripting Group (gaming clan) |
| LAG | Launch Analysis Group |
| LAG | Layered Auxiliary Graph |
| LAG | Link Adapter Group |
| LAG | Logical Applications Group |