DSN
DSN stands for:
- Dataset name, the abbreviation for the name of a data set name in the mainframe area
- Data source name, connection information for accessing ODBC databases
- Deep Space Network, a network of radio antennas to communicate with spacecraft and satellites
- Defense Switched Network, a communications network of the U.S. military
- Delivery Status Notification, an acknowledgment that create a mail server ( on request) may
- German black Colorful lowland cattle, a domestic cattle breed
- Digital Service Record, an electronic motor vehicle service history for proof of maintenance
- Star Trek: Deep Space Nine, the third Star Trek television series
- Disambiguation
- Abbreviation