Barreira or Barreiras (Portuguese meaning "barrier" and "barriers", respectively) might refer to:
People
edit- Luís Barreira, a Portuguese mathematician
Places
editBrazil
edit- Barreira, Ceará
- Barreiras, Bahia
- Barreiras do Piauí, Piauí
Portugal
edit- Barreiras, a village in Peral, Cadaval, Lisbon District
Other uses
edit- Barreira do Inferno Launch Center, also referred to as Barreira do Inferno, a Brazilian rocket launch base
- Barreira Megalithic Complex, a Portuguese megalithic site