Cognomen Smitanan (Smitanan 
) , throughout the world, is an extremely rare family name. Much more prevalently, Smitanan is the forename as well as the last name.
Ayasen, Phelan, Burithat, Thumbunyat, Yongstar, Sangkagoon, Prompinit, Phanawathanawong, and Phakdeenarupat