Last name Kaikan (Kaikan 
, กายกาญจน์ , Кайкан 
) , around the globe, is a very rare surname. The last name Kaikan is characteristic of Ukraine, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Russia. In absolute terms, it is the most numerous in Ukraine, India, and Russia. More frequently, Kaikan is the forename as well as the last name.