Kissi (or Kisi) is a Mel language of West Africa, There are two dialects, northern and southern, and both are tonal languages. The northern dialect is spoken in Guinea and in Sierra Leone. The southern dialect is spoken in Liberia and Sierra Leone. The two dialects are notably different, but are closely related. In Guinea, the main places Kissi is spoken are the cities of Kissidougou and Guéckédou and their préfectures.