蔓生拉拉藤（学名：Galium humifusum）为茜草科拉拉藤属下的一个种。

Galium humifusum (spreading bedstraw) is a plant species in the Rubiaceae. Its native range stretches from the Black Sea region (Greece, Turkey, Bulgaria, Romania, Ukraine, Belarus, Russia, Caucasus) to Iran, Central Asia, Pakistan, Xinjiang, Mongolia and a few smaller countries. The species has also been regarded as a waif in the wild in Washington State in the United States.