Last name באד (Bud 
, Bad , Budd 
) , in the entire world, is a common cognomen. The last name באד is characteristic of Mongolia, where it is quite a common surname, Romania, and the United Kingdom, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in India, the United States, and the United Kingdom. Likewise, באד is the forename as well as the last name.