DSN

DSN may refer to:

==Technology== ===Computing & Internet=== Data set (IBM mainframe) Name, the name of a computer file having a record organization Data source name, a data structure used to describe a connection to a data source Delivery Status Notification message, an automated electronic mail message about a delivery problem Distributed social network, a social network that is decentralised and distributed across multiple providers International Conference on Dependable Systems and Networks .DSN (design file), industry-standard import file format of Specctra-compatible autorouters