KDD Central Securities Clearing Corporation () is the central securities depository (CSD) of Slovenia.
KDD was inaugurated on . It started operations the next year, and moved into new business premises in 2002. As of 2016, the Slovenian government held 24 percent of KDD's equity capital, the rest being scattered among a range of private-sector participants.
In August 2013, KDD announced it would connect to TARGET2-Securities (T2S) using SWIFT. The connection to T2S was successfully implemented in February 2017.