Barrau

Barrau is a surname of Occitan origin. It is prevalent in the southern regions of France, particularly in Languedoc-Roussillon and Midi-Pyrénées.

The name is believed to derive from the Occitan word "barra," meaning "bar" or "barrier." As a surname, "Barrau" could have originated as a toponymic surname, referring to someone who lived near a physical barrier like a gate, toll barrier, or defensive wall. It could also have been an occupational surname, referring to someone who was responsible for maintaining or operating such a barrier.

Variants of the name include Barraud, Barrault, and Barrat. The surname has spread beyond France due to emigration, and individuals with the surname can now be found in various countries around the world.