Kissi (or Kisi) is a Mel language of West Africa, closely related to Temne of Sierra Leone. There are two dialects, northern and southern, both are tonal languages. The northern dialect is spoken in Guinea and in Sierra Leone. In its northern form, it often uses loanwords from the Malinke and the Mende language. The southern dialect is spoken in Liberia and Sierra Leone. The two dialects are notably different, but are closely related.