The paper is describing the result of survey of pitcher plants (Nepenthes spp.) diversity at six habitats in West Kalimantan. The research was conducted by investigation of specimens at Herbarium Bogoriense and Nepenthes nurseries in Pontianak. Besides that, the research was also supported by personal communication with Nepenthes hubbies in Pontianak and related literature. The study found 12 original Nepenthes species and 16 natural hybrids in the peat-wamp and heath forest as the common habitat of Nepenthes in lowland areas. The results shows that the habitat and the heath forest were destructed by human activities. Key words: Diversity, Nepenthes, habitat, West Kalimantan.