真鱥（学名：Phoxinus phoxinus）为鲤科鱥属的鱼类。在中国，分布于黑龙江、鸭绿江、**额尔齐斯河、图门江等，多见于水流缓慢的水质清澈的水。该物种的模式产地在欧洲。

The Eurasian minnow, minnow, or common minnow (Phoxinus phoxinus) is a small species of freshwater fish in the carp family Cyprinidae. It is the type species of genus Phoxinus. It is ubiquitous throughout much of Eurasia, from Britain and Spain to eastern Siberia, predominantly in cool (12–20 °C) streams and well-oxygenated lakes and ponds. It is noted for being a gregarious species, shoaling in large numbers.