Last name วิธี (Vidhi 
, Wayes 
, วิธี 
) , across the world, is a common cognomen. The surname วิธี is characteristic of the United States, where it is quite a rare surname, Israel, and New Zealand. Measured by absolute frequency, this name is the most popular in the United States, India, and Israel. Likewise, วิธี is the forename as well as the last name.