Last name Janiv (Janiv 
, Янив 
, Янів ) , around the world, is quite a rare family name. The last name Janiv is characteristic of Eastern Europe, particularly Ukraine, where it is quite a rare surname, Czechia, where it is a rare surname, and Belarus, where it is a very rare surname. Measured by absolute frequency, the name is most common in Ukraine, India, and Russia. Much less frequently, Janiv is the forename as well as the last name.