Cognomen ทมิฬ (Thamil 
, ทมิฬ , Tamnil 
) , around the world, is a rare last name. The last name ทมิฬ is habitual in Western Asia, particularly Qatar, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Kuwait. Measured by absolute frequency, the name is most common in Saudi Arabia, Thailand, and Sri Lanka. More prevalently, ทมิฬ is the forename as well as the last name.