- DLN stands for Daily Legal News (Legal News Publishing Co.; Cleveland, OH)
- DLN stands for Digital Learning Network
- DLN stands for Document Locator Number
- DLN stands for Dry Low NOx
- DLN stands for Draining Lymph Node
- DLN stands for Don’t Look Now (film)
- DLN stands for Doctor Light Number (Mega Man series)
- DLN stands for Denis Louis Nevanen (French plumbing company)
- DLN stands for Discothèque l’Onyx Night (French nightclub)
- DLN stands for Dark Long Night (band)
- DLN stands for Digital Loyalty Network
- DLN stands for Direct Link Node
- DLN stands for Driver’s Licence Number
- DLN stands for Distributed Learning Networks, Inc.
- DLN stands for District Level Network
- DLN stands for Discrepancy Lifecycle Network
- DLN stands for Doris Lessing Newsletter
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