Cognomen Johanas (Johanas 
, Иоганн 
) , in all the world, is a very rare family name. The cognomen Johanas is habitual in New Zealand, where it is a very rare surname, Indonesia, and Venezuela, where it is an extremely rare surname. In absolute terms, it is commonest in Indonesia, the United States, and Nigeria. More prevalently, Johanas is the forename as well as the last name.