Barnea may refer to:
* Barnea is an olive cultivar, see
List of olive cultivars
There are hundreds of cultivars of the olive (''Olea europaea''). As one of the oldest and more important domesticated crops raised by humans, the olive tree has diverged naturally and with the assistance of man into many varieties. Olive cultivars ...
*
''Barnea'' (bivalve), a genus of bivalves in the family Pholadidae
* Barnea is a surname
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