Surname Smel (Smel 
, Smillie 
) , all over the world, is quite a rare cognomen. The last name Smel is habitual in Guernsey, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and New Zealand. Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Australia. Much less frequently, Smel is the forename as well as the last name.