Surname Беттхер (Беттхер 
) , all around the world, is a very rare family name. The family name Беттхер is characteristic of Belarus, where it is a very rare surname, Kyrgyzstan, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Belarus, Kyrgyzstan, and Russia. Much less frequently, Беттхер is the forename as well as the last name.