| LISP | Library and Information Science Program 
| Others |
| LISP | Limited Instructions Set Processor
| Others |
| LISP | Linked Investment Service Provider
| Others |
| Lisp | List Processing
| Others |
| LISP | List Programming
| Others |
| LISP | Locator ID Separation Protocol
| Others |
| LISP | Locator Identification Separation Protocol
| Others |
| LISP | Locator Identifier Separation Protocol
| Others |
| LISP | Locator/ID Separation Protocol
| Others |
| LISP | Lost In Silly Parentheses
| Others |
| LISP | Lost In Stupid Parenthesis
| Others |
| LISP | Lost In Superfluous Parentheses
| Others |
| LISP | Lost In the Sea of Parenthesis
| Others |
| LISP | Lots of Inane Silly Parentheses
| Others |
| LISP | Lots of Incomprehensible Single Parentheses
| Others |
| LISP | Lots of Infuriating Superfluous Parentheses
| Others |
| LISP | Lots of Insidious Silly Parentheses
| Others |
| LISP | Lots of Irrelevant Sets of Parentheses
| Others |
| LISP | Lots of Irrelevant Silly Parentheses
| Others |
| LISP | Lots Of Irritating And Silly Parentheses
| Others |
| LISP | Lots of Irritating and Superfluous Parentheses
| Others |
| LISP | Lots of Irritating Silly Parenthesis
| Others |
| LISP | Lots Of Irritating Single Parentheses
| Others |
| LISP | Lots of Irritating Single Parenthesis
| Others |
| LISP | Lots of Irritating Superfluous Parentheses
| Others |
| LISP | Lotus Intranet Starter Package
| Others |
| LISP | Ludicrously Insane Senseless Phenomenon
| Others |