Kak or KAK may refer to:
People[edit]
- Kak (clan), a Kashmiri Pandit clan or surname
- Ram Chandra Kak (1893-1983), Indian politician, chief minister of Jammu and Kashmir
- Amar Nath Kak, Indian writer, brother of Ram
- Siddharth Kak, Indian film and television director
- Subhash Kak, Indian computer scientist
Other[edit]
- Kak (commune), Bar Kaev, Cambodia
- Kak (band)
- Kak, a South African slang word
- Royal Automobile Club (Sweden)
- Kak (lake), a lake in Kazakhstan