Chaetanthera is a genus of South American flowering plants in the family Asteraceae native to Argentina, Bolivia, Chile, and Peru.
Chaetanthera are annual or perennial plants, or dwarf shrubs.
It was published by Hipólito Ruiz López and José Antonio Pavón Jiménez in 1794. The lectotype Chaetanthera ciliata was designated in 1971.
It has the following species:
It is native to Argentina, Bolivia, Chile, and Peru. The centre of its distribution is in Chile, which is home to 18 endemic species.