SDN

SDN môže byť:
 Sandane Airport, Anda, kód IATA
 SAP Developer Network and the Business Process Expert Community, online komunita
 "sexually dimorphic nucleus" – sexuálne dimorfné jadro
 Sudán
 Sun Developer Network
 software developer network
 Self-Defending Network
 Sustainable Development Network
 S4C Digital Networks
 Scottish Daily News
 Specially Designated Nationals