The Long-billed Woodcreeper (Nasica longirostris) is a species of bird in the Dendrocolaptinae subfamily, of the woodcreepers. It is the only species in the monotypic genus Nasica. It is found in the Amazon Basin of Brazil, and Amazonian Colombia, Ecuador, Peru, and Bolivia; also the middle and upper Orinoco River Basin of Venezuela. It is also found in most of Guianan French Guiana bordering the northeast Amazon Basin and Brazilian state Amapá. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical swamps.