Cognomen Янох (Janoch 
, Янох) , around the globe, is a rare family name. The surname Янох is characteristic of Czechia, where it is quite a rare surname, Hungary, where it is a rare surname, and Austria. In absolute terms, it is the most numerous in Czechia, the United States, and Poland. Much less frequently, Янох is the forename as well as the last name.