卡尔乌（意大利语：Carrù），是意大利库内奥省的一个市镇。总面积26平方公里，人口4393人，人口密度169.0人/平方公里（2009年）。ISTAT代码为004043。

Carrù is a comune (municipality) in the Province of Cuneo in the Italian region Piedmont, located about 70 kilometres (43 mi) south of Turin and about 30 kilometres (19 mi) northeast of Cuneo.

Carrù borders the following municipalities: Bastia Mondovì, Bene Vagienna, Clavesana, Farigliano, Magliano Alpi, Mondovì, and Piozzo. Luigi Einaudi, the first official republican President Italy, was born in Carrù. The town also saw the passage of the troops of Napoleone Bonaparte during his campaign in Italy.