扎耶查尔（塞尔维亚语：Зајечар，Zaječar）是位于塞尔维亚中东部的一个城市。扎耶查尔是扎耶查尔州的首府所在地。约有人口39700人。有三位罗马帝国皇帝出生在扎耶查尔，分别是伽列里乌斯、马克西米努斯和柯尔涅利乌斯。

Zaječar (Serbian Cyrillic:Зајечар pronounced [zâjɛtʃar], Romanian:Zaicear) is a city in the eastern part of Serbia. According to the 2011 census the town has a population of 59,461, and its coordinates are 43.91° North, 22.30° East. Zaječar has a number of primary and secondary schools as well as the first private college established in Serbia, the Faculty of Management Megatrend University. Zaječar is widely known for its rock music festival Gitarijada which has existed for more than 40 years and for the festival dedicated to contemporary art, ZALET. It is the administrative center of the Zaječar District and a main town in the Timočka Krajina region.