小叶猪殃殃（学名：Galium trifidum），又名小叶四叶葎，为茜草科拉拉藤属下的一个种。

Galium trifidum is a species of flowering plant in the coffee family, known by the common name threepetal bedstraw. It grows widespread in the arctic, temperate and subtropical regions of the Northern Hemisphere: northern and central Asia (Siberia, the Russian Far East, China, Japan, Kazakhstan), northern and eastern Europe (Scandinavia, France, Austria, Poland, Russia, Ukraine, Baltic states) and much of North America (from Greenland and the Aleutians as far south as Oaxaca and Hispaniola).