| Acronym | Definition |
|---|
| LIN | Linear |
| LIN | Ling |
| LIN | Local Interconnect Network (automotive networking technology) |
| LIN | Liquid Nitrogen |
| LIN | Milan, Italy - Linate (Airport Code) |
| LIN | Les Insectes Nuisibles (French: Harmful Insects) |
| LIN | Local Interconnect Network |
| LIN | Linetype |
| LIN | Library Information Network |
| LIN | Listeria Innocua |
| LIN | Lifestyle Information Network (formerly Leisure Information Network) |
| LIN | Line Item Number |
| LIN | Lobular Intraepithelial Neoplasia |
| LIN | Lembaga Informasi Nasional (Indonesian: Institute for National Information) |
| LIN | Leisure Information Network (now Lifestyle Information Network) |
| LIN | London Irish Network (est. 1989; UK) |
| LIN | Least Industrialized Nations |
| LIN | Link Inhibit (SS7) |
| LIN | Linguist Identification Number |
| LIN | Local Identification Number |
| LIN | Logistics Information Network |
| LIN | Lanasjodur Islenskra Namsmanna (Icelandic Student Loan Fund) |
| LIN | Local Indigenous Network (Australia) |
| LIN | Layered Interconnection Network (microchip technology) |