Family name Райч (Riach 
, Райч 
, Reitsch 
) , in all the world, is quite a rare cognomen. The cognomen Райч is characteristic of New Zealand, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. Measured by absolute frequency, it most frequently occurs in the United Kingdom, the United States, and Australia. Much less frequently, Райч is the forename as well as the last name.