Islam

• Kafir, an Islamic term usually translated as unbeliever similar to the Christian word infidel or Hebrew word koffer. In arabic it means "ingrate" and refers to someone ungrateful towards Allah.

Afghanistan

• Kafiristan, the historic name for the Nuristan Province in Afghanistan

• The Nuristani people descendants of the Hindukush Kafir people

• The Nuristani languages once called Kafiiri or Kafiristani

• Kafir harp

Africa

• The Nguni languages, called the Kaffa languages in the 19th century.

• Fanagalo, a Zulu based pidgin language once referred to as Kitchen Kaffir.

• Kaffraria or British Kaffraria, a former designation for King William's Town and East London, South Africa.

• Kaffir boom, a species of tree in the Fabaceae family.

• A term used historically to refer to any of several southern African peoples, but now only used as

• South African ethnic slur for a black person. Thought to be borrowed from the language of the Cape Malay, who are an Islamic people.

South Asia

• Sri Lanka Kaffir people, an ethnic group

• Sri Lanka Kaffir language, a creole spoken by that people

Botany

• Kaffir lime, a variety of lime native to Indonesia also known as a makrut lime.

• Kaffir lily, one of two flowers found in southern Africa

Other

• Sunbeam Kaffir, an engine from the Sunbeam Car Company

• Kefir or Kephir, a fermented milk drink from the Caucasus region