Surname Alehov (Alehov 
, Алехов 
) , in all the world, is a rare last name. The cognomen Alehov is characteristic of Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Russia, China, and Kazakhstan. Very seldom, Alehov is the forename as well as the last name.