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