Zidyan-Kazmalyar (; , Zidyan-Qazmalar) is a rural locality (a selo) and the administrative centre of Zidyan-Kazmalyarsky Selsoviet, Derbentsky District, Republic of Dagestan, Russia. The population was 978 as of 2010. There are 10 streets.
Zidyan-Kazmalyar is located 15 km northwest of Derbent (the district's administrative centre) by road. Bilgadi and Chinar are the nearest rural localities.
Azerbaijanis live there.