Cearanthes is a monotypic genus of flowering plants belonging to the family Amaryllidaceae. The only species in this genus is Cearanthes fuscoviolacea <small>Ravenna</small>, which is endemic to Northeastern Brazil.
Cearanthes fuscoviolacea is a terrestrial herb with 3-4.5 cm long bulbs.
The androecium consists of 6 stamens.
The genus Cearanthes Ravenna, as well as its sole species Cearanthes fuscoviolacea Ravenna, was first published by Pierfelice Ravenna in 2000.
Cearanthes is included in the tribe Griffineae.
The generic name Cearanthes means "flower of Ceará". The specific epithet fuscoviolacea, from the Latin fuscus meaning dark, and violaceus meaning violet, means dark purple. It refers to the floral colouration.
It is an endangered species.