Derjan is a village and a former municipality in the Dibër County, northern Albania. At the 2015 local government reform it became a subdivision of the municipality Mat. The population at the 2011 census was 1,102. It includes the following settlements: Derjan, Urxallë, Barbullej, Dukagjin, Gjoçaj, Lam i Madh, Zall Gjoçaj.