- DIN stands for Drug Identification Number
- DIN stands for Digital Input
- DIN stands for Dinar (Yugoslavian national currency)
- DIN stands for Data Input
- DIN stands for Do It Now (gaming/chat)
- DIN stands for Dissolved Inorganic Nitrogen
- DIN stands for Document Identification Number
- DIN stands for Development in Nigeria
- DIN stands for Deutsches Institut für Normung eV (German Institute for Standardization; similar to US ANSI)
- DIN stands for Donor Identification Number
- DIN stands for Director Identification Number (India)
- DIN stands for Division Ingénierie Nucléaire (French: Nuclear Engineering Division; Electricité de France)
- DIN stands for Doctors Independent Network
- DIN stands for Darned If I Know
- DIN stands for Defense Intelligence Network
- DIN stands for Data Identification Number
- DIN stands for Defense Intelligence Notice
- DIN stands for Designee Information Network
- DIN stands for Deutsche Industrial Norms (German standards agency)
- DIN stands for Device Identification Number
- DIN stands for Department of Immigration and Naturalization
- DIN stands for Dedicated Internet Network (private networks connected to the internet)
- DIN stands for Dangerous Incident Notification
- DIN stands for Division des Installations Nucléaires (French: Division of Nuclear Installations; Autorité de Sûreté Nucléaire)
- DIN stands for Dynamic Instruction Number
DIN