| Acronym | Definition |
|---|
| DLL | Dynamic Link Library |
| DLL | Data Link Layer |
| DLL | David Lloyd Leisure (various locations) |
| DLL | Dual Language Learner (multilingual) |
| DLL | Dynamically Loaded Library |
| DLL | Doubly Linked List |
| DLL | Direction du Livre et de la Lecture (French: Directorate of Books and Reading) |
| DLL | Dynamically Loadable Library |
| DLL | Delay Lock Loop |
| DLL | Dual Laterolog (petrophysics) |
| DLL | Delay Lock Loop (FPGA) |
| DLL | Digital Delay Locked Loop |
| DLL | Dan Lain-Lainnya, (Indonesian: And So Forth; Et cetera) |
| DLL | Data Link Level |
| DLL | Data Link Library (aviation) |
| DLL | Double-Loop Learning |
| DLL | Design Liquid Level (storage tanks) |
| DLL | Design Limit Load (aviation) |
| DLL | Dial Long Lines |
| DLL | Dial Long Line Equipment |
| DLL | Down Line Loading |
| DLL | Discharge Line Length |
| DLL | Disclosure Limitations List |
| DLL | Disapproved Lower Level |