湖瓜草属（学名：Lipocarpha）是莎草科下的一个属，为簇生、矮小草本植物。该属共有约15种，分布于温带地区。

Lipocarpha is a genus of sedges known as halfchaff sedges. There are approximately 35 species and representatives can be found throughout the tropical and warmer temperate areas of Africa, Asia (China, India, Indonesia, etc), Australia, North America, South America and various oceanic islands. These mostly are erect annual herbs (some perennials are known) growing 1 to 30 centimeters tall. The inflorescence consists of one to few spikes each containing many spirally arranged spikelets. The flower is entangled with two hyalin scales, a spikelet prophyll and a glume. These flower stands in the axil of a spikelet-bract.