Cognomen Барратт (Barratt 
, Барратт 
) , in the world, is a common surname. The last name Барратт is characteristic of Isle of Man, where it is quite a common surname, the United Kingdom, and New Zealand, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in the United Kingdom, the United States, and Australia. Much less frequently, Барратт is the forename as well as the last name.