Delijan (Persian:دليجان, also Romanized as Delījān, Dalijān, and Dilījān) is a city in and the capital of Delijan County, Markazi Province, Iran. At the 2006 census, its population was 31,852, in 8,779 families.
Delijan is located 80km (50 Mi) from Qom and 160km (100 Mi) from Isfahan.