Chysis is a genus of orchids (family Orchidaceae), consisting of 10 currently accepted species (as of May 2014) which originate in the region from Mexico to Peru.

The genus is typified by elongate, spindle-shaped, usually pendulous pseudobulbs of several internodes, which may be fat or slender, depending on the species.

The leaves tend to be quite soft and papery, strongly ribbed and long.

Chysis are epiphytic and grow under shady and damp conditions up to 1000 meters elevation.

The plants should be grown under intermediate conditions, generally mounted due to their pendulous habit, though some species adapt well to pot culture.