Family name Külter (Külter 
) , all around the world, is a rare surname. The cognomen Külter is habitual in Turkey, where it is quite a rare surname, and Germany, where it is a very rare surname. Much less frequently, Külter is the forename as well as the last name.
Ali, Kerem, Keser, Kemal, Kumri, Rıdvan, Diyar, Güli, Leyla, Tamer, Tahir, Tekin, Nuran, Esmer, Enver, Emi N, Emine, Hanim, Hamza, Hasan, Halis, Habat, Besna, Cemil, Cemal, Ceren, Adl, Roy, Eda, Musa, Azad, Azat, Emin, Haci, Mesut, Memet, Hakan, Murat, Sai T, Sabri, Suzan, Selma, Sevda, Adnan, Ayşe, Aysel, Ahmet, Celal, Salih, and Hozan