| LSL | Lab Streaming Layer 
| Others |
| LSL | Lada Sport Lukoil
| Others |
| LSL | Laminated Strand Lumber
| Others |
| LSL | Landing Ship Logistics
| Others |
| LSL | Landing Ship, Large
| Others |
| LSL | Larch Shared Language
| Others |
| LSL | Lauryl Sulfate Lactose
| Others |
| LSL | Law School Library
| Others |
| LSL | Lead Share Leader
| Others |
| LSL | Learn Share Lead
| Others |
| LSL | Learning Sciences Lab
| Others |
| LSL | Legal Speed Limit
| Others |
| LSL | Leinster Senior League
| Others |
| LSL | Lesotho Loti
| Others |
| LSL | Level Switch Low
| Others |
| LSL | Life Sciences Laboratory
| Others |
| LSL | LifeStyle Lift
| Others |
| LSL | Linden Scripting Language
| Others |
| LSL | Link Supervision Layer
| Others |
| LSL | Link Support Layer
| Others |
| LSL | Linnean Society of London
| Others |
| LSL | Listening and Spoken Language
| Others |
| LSL | Listening Speech and Language
| Others |
| LSL | Living Schools Lab
| Others |
| LSL | Load Segment Limit
| Others |
| LSL | Local Speed Limits
| Others |
| LSL | Logic Systems Laboratory
| Others |
| LSL | Logical Shift Left
| Others |
| LSL | Logistics Services Locator
| Others |
| LSL | Long Service Leave
| Others |
| LSL | Long Slack and Low
| Others |
| LSL | Los Chiles, Costa Rica
| Others |
| LSL | Lower Specification Limit
| Others |
| LSL | Lox Stop Lox
| Others |
| LSL | loxP STOP loxP
| Others |
| LSL | Lucerne Super Ultra
| Others |