科夫扎河是俄罗斯的河流，位于沃洛格达州，属于伏尔加河流域，发源自科夫日斯科耶湖，河道全长82公里，流域面积5,000平方公里，最终注入白湖。

The Kovzha (Russian:Ковжа) is a river in Vytegorsky, Belozersky, and Vashkinsky Districts of Vologda Oblast in Russia. It originates from Lake Kovzhskoye and is a tributary of Lake Beloye. It is 82 kilometres (51 mi) long, and the area of its basin 5,000 square kilometres (1,900 sq mi). The Kovzha River is a part of the Volga-Baltic Waterway. The main tributaries are the Tumba and the Shola (both right).