KI

The letters KI can refer to:

The Sumerian goddess of the Earth: See Ninhursag
The Hawaiian place Ki: an ancient land division on the island of Hawaii
Ki or Ti is the Hawaiian language name for the plant Cordylene terminalis.
The Japanese word ki 気, from Chinese Qi, the originally Chinese cultural concept meaning "life force" or "spiritual energy".
The Kikuyu language (ISO 639 alpha-2, ki)
Kiribati (ISO 3166-1 alpha-2 country code, KI)
The chemical compound potassium iodide (chemical formula KI)
Ki is a line of all-natural skin care products created by the late Australian actress Sophie Heathcote
In the Japanese language, Ki is an abbreviation for Kitai = "type" or "model" in the Japanese Air Force when specifying types of aircraft.
The heroine of Tower of Druaga and its sequels is named Ki (in which case the word is pronounced "Kai").
KI, Soviet Committee of Information, Ministry of Foreign Affairs from (1947-52)
Killer Instinct, a video game
Ki means "out" or "who" in Hungarian
Ki, an abbreviation for the IEEE prefix kibi which represents 2¹⁰ = 1024.