狗鱼科为辐鳍鱼纲狗鱼目的一科，其下仅有一属狗鱼属，包括7种。

本科鱼类分布于北美洲及欧亚大陆淡水区域。

Esox is a genus of freshwater fish, the only living genus in the family Esocidae—the esocids which were endemic to North America and Eurasia during the Paleogene through present.

The species of this genus are known as pike and pickerel. The type species is E. lucius, the northern pike.