Cardinal or The Cardinal most commonly refers to

• Cardinal (Catholic Church), a senior official of the Catholic Church
  • Member of the College of Cardinals
• Cardinalidae, a family of North and South American birds
• Cardinal number in mathematics
  • Large cardinal
• Cardinal direction, one of the primary directions: north, south, east, and west

Cardinal or The Cardinal may also refer to:

• 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
• Paroaria, a South American genus of birds in the family Thraupidae commonly called red-headed cardinals or cardinal-tanagers
• Yellow cardinal, Gubernatrix cristata a South American bird in the family Thraupidae

• Argynnis pandora, a species of butterfly
• Cardinal tetra, a freshwater fish

• Cardinal Brewery, a brewery founded in 1788 by François Piller, located in Fribourg, Switzerland
• Cardinal Technologies, a defunct modem manufacturer (1987–1997)
• Cardinal Health, a health care services company

• Cardinal (Church of England), either of two members of the College of Minor Canons of St. Paul's Cathedral

• Cardinals, a 2017 Canadian film
• The Cardinal, a 1936 British historical drama
• The Cardinal, a 1963 American film

• Cardinal (chess), a fairy chess piece, also known as the archbishop
• Cardinal, a participant in the army drinking game Cardinal Puff

• Cardinal (band), indie pop duo formed in 1992
• The Cardinals (rock band), a group formed in 2003
• The Cardinals, a 1950s R&B group

• Cardinal (Cardinal album), 1994
• Cardinal (Pinegrove album), 2016

• "Cardinal" (The Americans), the second episode of the second season of the television series The Americans
• Cardinal (TV series), a 2017 Canadian television series

• Cardinal (comics), a supervillain appearing in Marvel Comics
• The Cardinal (1641 play), a Caroline era tragedy by James Shirley
• The Cardinal (1901 play), a historical play by the British writer Louis N. Parker
• The Cardinal System, a system appearing in the Sword Art Online series
• Cardinal, a stormtrooper officer featured in Star Wars: Phasma, a novel by Delilah S. Dawson

• Cardinal numeral, a part of speech for expressing numbers by name
• Cardinal vowel, a concept in phonetics

• Cardinal voting
• Cardinal number

• Cardinal mark, a sea mark used in navigation

• Cardinal, Manitoba, Canada
• Cardinal, Ontario, Canada
• Cardinal High School (Middlefield, Ohio), a public high school in Middlefield, Ohio, Geauga County, United States
• Cardinal Mountain, a summit in California
• Cardinal Power Plant, a power plant in Jefferson County, Ohio
• Cardinal, Virginia, United States
• C/2008 T2 (Cardinal), a comet

• Cardinal (grape), a table grape first produced in California in 1939
• Lobelia cardinalis, also known as "cardinal flower"

• Ball State Cardinals, the athletic teams of Ball State University
• Catholic University Cardinals, the athletic teams of the Catholic University of America
• Incarnate Word Cardinals, the athletic teams of the University of the Incarnate Word
• Lamar Cardinals, the athletic teams of Lamar University in Beaumont, Texas, USA
• Louisville Cardinals, the athletic teams of University of Louisville
• Mapúa Cardinals, the athletic teams of Mapúa University
• North Central Cardinals, the athletic teams of North Central College
• St. John Fisher Cardinals, the athletic teams of St. John Fisher College in Rochester, NY
• Stanford Cardinal, the athletic teams of Stanford University; named for the color but not the bird
• Wesleyan Cardinals, the athletic teams of Wesleyan University

• Cardenales de Lara, a Venezuelan baseball team
• Front Royal Cardinals, an American baseball team
• St. Louis Cardinals, an American professional baseball team
• Hamilton Cardinals, a Canadian baseball team

• Arizona Cardinals, an American professional football team
• Assindia Cardinals, an American football club from Essen, Germany
• West Perth Football Club, an Australian rules football club in Western Australia
• Woking F.C., an English association football team

• Cessna 177 Cardinal, a single engine aircraft
• St. Louis Cardinal C-2-110, a light aircraft built in 1928
• NCSIST Cardinal, a family of small UAVs

• Cardinal (train)
• The Cardinal (railcar)

• Ford Cardinal, abandoned project with a lightweight and compact Ford Taunus V4 engine.

• Cardinal (color), a vivid red
• Cardinal (surname), a surname
• Cardinal, a Ruby programming language implementation using for the Parrot virtual machine

• Cardenal, a surname
• Cardinal sin or cardinal syn
• Cardinale, a surname