Cardinal or The Cardinal most commonly refers to
- Cardinalidae, a family of North and South American birds
- Cardinalis, genus of three species in the family Cardinalidae
- Northern cardinal, Cardinalis cardinalis, the common cardinal of eastern North America
- Pyrrhuloxia or desert cardinal, Cardinalis sinuatus, found in southwest North America
- Vermilion cardinal, Cardinalis phoeniceus, found in Colombia and Venezuela
- Cardinal (Catholic Church), a senior official of the Catholic Church
- Cardinal Health, a health care services company
- Cardinal number
- Cardinal direction, one of the four primary directions: north, south, east, and west
- Cardinal (TV series), a 2017 Canadian television series
- Arizona Cardinals, an American professional football team
- St. Louis Cardinals, an American professional baseball team
Cardinal or The Cardinal may also refer to: