Chamisa may refer to:

• Ericameria nauseosa, a shrub species found in western North America (formerly in the genus Chrysothamnus)

• any plant of the genus Chrysothamnus or Ericameria

• Anthodiscus pilosus, a plant species found in Colombia and Peru

• Nelson Chamisa (born 1978), a Zimbabwean politician

See also

• Chamiza (Atriplex canescens), a shrub species native to the western and mid-western United States

• Chamise (Adenostoma fasciculatum), a shrub species native to California and Baja California