Last name Kadech (Kadech 
, Кадеш 
) , all over the world, is a very rare surname. The family name Kadech is habitual in Algeria, where it is a rare surname, Belarus, where it is a very rare surname, and Thailand. Not in comparison with a country's population, it is the most numerous in Algeria, Thailand, and Russia. More prevalently, Kadech is the forename as well as the last name.