Last name Watha (Watha 
, วฐา , วาทะ ) , in all the world, is a rare cognomen. The family name Watha is habitual in the Democratic Republic of the Congo, where it is a rare surname, Malaysia, where it is a very rare surname, and Myanmar. In absolute terms, it is the most numerous in the Democratic Republic of the Congo, the United States, and India. Likewise, Watha is the forename as well as the last name.