Calix may refer to:
People Cristian Cálix (born 1999), Honduran footballer Luis Cálix (footballer, born 1965), Honduran football midfielder Luis Cálix (soccer player, born 1988), American soccer defender and son of the Honduran footballer Mira Calix, professional name of musician Chantal Francesca Passamonte (1969–2022) Carlos Cálix Castro (born c. 1963), Costa Rican former footballer and manager
Businesses and organizations Calix Inc., a telecommunications equipment company Calix Limited, a research company Calix Society, a counselling organisation
See also François-Claudius Compte-Calix, French painter Carmen Meléndez de Cálix (), Honduran politician Calyx (disambiguation) Kalix, a place in Sweden Kylix, a type of ancient Greek cup