Cereus

Cereus, waxy in Latin, may refer to:


 * Cereus (anemone), a genus of sea anemones in the family Sagartiidae
 * Cereus (plant), a genus of cacti (the family Cactaceae)
 * Ceroid cactus, any of a number of cacti with very elongated bodies, including columnar growth cacti and epiphytic cacti
 * Aleurocybotus cereus, a whitefly species in the genus Aleurocybotus
 * Bacillus cereus, an endemic, soil-dwelling, Gram-positive, rod-shaped, beta hemolytic bacterium species
 * Cereus Poker Network, an online poker network