Dahiana Is A Girl’s Name Of Swedish Origin. It’s A Variant Of Dahlia, A Floral Name Deriving From The Flower Named After Swedish Botanist Anders Dahl. Dahl’s Surname Means “valley” In North Germanic Languages. The National Flower Of Mexico, Dahlias Were Once Used As A Food Crop By The Aztecs, But Today They’re More Commonly Found As Garden Plants. Boasting Many Different Gorgeous Varieties, This Beautiful Flower Makes A Wonderful Namesake, And Is Less Common Than Other, More Traditional Floral Names. Dahiana Is A Variant Most Commonly Found In The Dominican Republic And Uruguay.