| LGA | La Guardia Airport, New York City, New York USA 
| Others |
| LGA | LaGuardia Airport
| Others |
| LGA | Laguardia Airport, New York
| Others |
| LGA | Lake Gaston Association
| Others |
| LGA | Lake George Association
| Others |
| LGA | Land Grid Array
| Others |
| LGA | Language for Graphic and Animation
| Others |
| LGA | Lansing Grand River Assembly
| Others |
| LGA | Large for Gestational Age
| Others |
| LGA | Large Galaxy Atlas
| Others |
| LGA | Large Group Activity
| Others |
| LGA | Lattice Gas Automaton
| Others |
| LGA | Lawrence Gymnastics and Athletics
| Others |
| LGA | Left Gastric Artery
| Others |
| LGA | Legislative and Governmental Affairs
| Others |
| LGA | Lexus Global Architecture
| Others |
| LGA | Linear Gravity Anomalies
| Others |
| LGA | Living Group Advisor
| Others |
| LGA | Local Government Aid
| Others |
| LGA | Local Government Area
| Others |
| LGA | Local Government Areas
| Others |
| LGA | Local Government Association
| Others |
| LGA | Local Government Authority
| Others |
| LGA | Logical Grid Array
| Others |
| LGA | Longitudinal Graph Analysis
| Others |
| LGA | Lotteries and Gaming Authority
| Others |
| LGA | Louisiana Gas Association
| Others |
| LGA | Louisiana Golf Association
| Others |
| LGA | Low Gain Antenna
| Others |
| LGA | Low Grade Astrocytoma
| Others |
| LGA | Lucchesi Galati Architects
| Others |
| LGA | Lunar Gravity Assist
| Others |
| LGA | Luquire George Andrews
| Others |