Last name Tatha (Tatha 
, ตถา , ต๊ะถา) , all around the world, is a rare family name. The surname Tatha is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Indonesia, and Malaysia, where it is a very rare surname. Measured by absolute frequency, the name is most common in India, Indonesia, and Thailand. Also, Tatha is the forename as well as the last name.