| Acronym | Definition |
|---|
| ALAN➣Artificial Light at Night |
| ALAN➣Assembly on Literature for Adolescents (Special-Interest Group of the National Council of Teachers of English) |
| ALAN➣American Logistics Aid Network (emergency response) |
| ALAN➣Acoustic Local Area Network |
| ALAN➣Animal Legislative Action Network (political action committee) |
| ALAN➣Alanian [Old Ossetic] (linguistics) |
| ALAN➣Aircraft Landing Authorization Number (DOT) |