Family name ทวิ (Thawi 
, ทวิ , Dvi 
) , all over the world, is quite a rare surname. The last name ทวิ is characteristic of Malawi, where it is quite a rare surname, Tunisia, where it is a rare surname, and India. Measured by absolute frequency, it is commonest in India, Malawi, and Indonesia. Very seldom, ทวิ is the forename as well as the last name.