Surname Hirti (Hirti 
) , all over the world, is a very rare cognomen. The cognomen Hirti is habitual in Algeria, where it is a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Algeria, France, and India. Much less frequently, Hirti is the forename as well as the last name.