Kai

Kai or KAI may refer to:

Arts and entertainment

Kai (name), includes list of fictional characters called Kai
The Kai, a fictional society in the Lone Wolf gamebooks
Cobra Kai, a fictional karate dojo in The Karate Kid movies and Cobra Kai streaming television series.
Dragon Ball Z Kai, revised version of the anime series Dragon Ball Z

Kai (group), an Asian-American R&B musical group
Kai (singer, born 1981), (Jung Ki-yeol), South Korean singer and actor
Kai (Canadian singer) (Alessia De Gasperis-Brigante, born 1990), Canadian singer-songwriter
Kai (musician, born 1993), musician in the Japanese metal band Esprit D'Air and English rock band The Sisters of Mercy
Kai (entertainer, born 1994) (Kim Jong-in), South Korean singer, member of the South Korean-Chinese boy group Exo
- Kai (EP), the 2020 eponymous debut extended play by Korean singer Kai
"Kai!", a 2025 song by Olamide and Wizkid
Kai, drummer in the Japanese rock band The Gazette
Kai, a compilation album in the Dir En Grey discography (2001)
"Kai", song by the Future Sound of London, from their 1994 album, ISDN
Kai, a kind of overtone singing in the Altai Republic and Khakassia

Korea Aerospace Industries, a South Korean aerospace company
Kereta Api Indonesia, the Indonesian railway operator
- KAI Commuter, an Indonesian commuter rail operator
Communist Workers' International (German: Kommunistische Arbeiter-Internationale), a council communist international
Studio Kai, a Japanese animation studio

Kai (name) includes lists of people with the given name and surname
Kayı (tribe) or Kai tribe, an Oghuz Turkic people
Kai (wrestler) (Atsushi Sakai, born 1983), Japanese professional wrestler
Caleb Lawrence McGillvary, known for the viral video "Kai the Hatchet-Wielding Hitchhiker"

Kai (conjunction), in Greek, Coptic and Esperanto
KaiOS, a mobile operating system for keypad feature phones
Kai Restaurant, Arizona
kai, ISO 639-3 language code for the language Karai-karai
Kanaanäische und Aramäische Inschriften, standard source for text of Canaanite and Aramaic inscriptions not contained in Tanakh or Old Testament
Kai stingaree (Urolophus kaianus), a species of stingray in the family Urolophidae
Kai, a cultivar of Karuka
Kai, in Māori cuisine and New Zealand cooking, a term widely used to refer to food
Kai, short for Kai Ken, a Japanese dog breed named after the Kai Province
Kai, the main protagonist in the upcoming anime series Tokyo Override
Kai (film), an Indian film