Tricolor or tricolour (from Latin tri- "three" and color "colour"), or tricolored, tricoloured, may refer to:

• Tricolour, the flags of three bands adopted in the revolutionary republicanist movements of the late 18th and 19th centuries, specifically
  • Tiranga, the flag of India
  • Le Tricolore, the flag of France
  • Il Tricolore, the flag of Italy
  • Триколор, the flag of Russia
  • Yeřaguyn, Եռագույն, the flag of Armenia
  • the flag of Yemen, introduced in 1990
  • the flag of Venezuela, introduced in 2006
  • the flag of Mexico, a vertical tricolor with the national coat of arms charged in the center
  • the flag of Ireland, frequently referred to as the Irish tricolour
  • the flag of Colombia, a horizontal tricolor with a 2:1:1 ratio
• La Tricolor, the flag of the Second Spanish Republic

• Tricolor, the nickname of various Latin American football teams:
  • Colombia national football team
  • Costa Rica national football team
  • Ecuador national football team
  • Mexico national football team
  • Fluminense Football Club (Tricolor carioca),
  • São Paulo Futebol Clube (Tricolor paulista),
  • Grêmio Foot-Ball Porto Alegrense (Imortal Tricolor)
  • Esporte Clube Bahia (Tricolor baiano)
  • Santa Cruz Futebol Clube (Tricolor do Arruda)
  • Club Nacional de Football
  • Club Nacional
• Tricolor, the nickname of basketball team Quilmes de Mar del Plata
• The Tricolours, a nickname for the National Rugby League team the Sydney Roosters
• Unirea Tricolor București, a former Romanian football club from Bucharest

• Trichromacy, the use of three intensities for the perception and representation of color
• Tricolor (dog), a dog with three coat colors
• Tricolor (game), a rulebook for wargaming with Napoleonic miniatures
• Tricolor TV, the biggest Russian satellite television operator
• MV Tricolor, a Norwegian ship that sank in the English Channel in 2002
• Tricolor River, a river of Paraná state in southern Brazil
• Ulmus × hollandica 'Tricolor', an elm cultivar
• a common sage (Salvia officinalis), cultivar

• Tricoloured (horse), a horse with three coat colours
• Tricolore (disambiguation)
• Tricolorii, the nickname of the Romania national football team
• Bi-color (disambiguation)
• Driekleur trikot