Duas may refer to:
*
Duas Barras
Duas Barras () is a municipality located in the Brazilian state of Rio de Janeiro. Its population was 11,528 (2020) and its area is 375.238 km².IBGE
The Brazilian Institute of Geography and Statistics ( pt, Instituto Brasileiro de Geogra ...
, Rio de Janeiro, Brazil
*
Duas Igrejas (Paredes), Paredes, Porto, Portugal
See also
*
Dua (disambiguation)
*
Dual (disambiguation)
Dual or Duals may refer to:
Paired/two things
* Dual (mathematics), a notion of paired concepts that mirror one another
** Dual (category theory), a formalization of mathematical duality
*** see more cases in :Duality theories
* Dual (grammatica ...
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