Guarani, Guaraní or Guarany may refer to
- Guaraní people, an indigenous people from South America's interior (Brazil, Argentina, Paraguay and Bolivia)
- Guaraní language, or Paraguayan Guarani, an official language of Paraguay
- Guarani dialects, spoken in Argentina, Brazil, Bolivia, and Paraguay
- Guarani languages, a group of languages, including Guarani, in the Tupí-Guaraní language subfamily
- Eastern Bolivian Guarani, historically called Chiriguanos, living in the eastern Bolivian foothills of the Andes. Also called Ava Guarani.
- Brazil
- Guarani Esporte Clube (CE), Juazeiro do Norte
- Guarani Esporte Clube (MG), Divinópolis
- Guarani Futebol Clube, Campinas
- Guarany Futebol Clube, Bagé
- Guarany Futebol Clube (Camaquã)
- Guarany Sporting Club, Sobral
- Associação Atlética Guarany, Porto da Folha
- Esporte Clube Guarani, Venâncio Aires
- Sociedade Esportiva, Recreativa e Cultural Guarani, Palhoça
- Sport Club Guarany, Cruz Alta
- Paraguay