水丝麻属（学名：Maoutia）是荨麻科下的一个属，为灌木植物。该属共有15种，分布于热带亚洲和波利尼西亚。

Maoutia is a genus of shrubs or small trees in the nettle family (Urticaceae). The leaves are alternate. The inflorescence branches dichotomously (i.e. it repeatedly divides into two) and the flowers are arranged in small clusters. The pistillate ("female") flowers have very small petals. Maoutia species resemble those of Leucosyke and Debregeasia.