Surname Жану (Жану 
) , all over the world, is a very rare family name. The cognomen Жану is habitual in Kyrgyzstan, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Russia, Kazakhstan, and Ukraine. Likewise, Жану is the forename as well as the last name.