Kook is a Yiddish surname meaning "look". Kook or KOOK may refer to:
People:
- Abraham Isaac Kook (1865–1935), Chief Rabbi in the British Mandate of Palestine, considered to be Israel's first Ashkenazi Chief Rabbi
- Zvi Yehuda Kook (1891-1982), son of the above, prominent Religious Zionist rabbi.
- Hillel Kook (1915-2001), nephew of Abraham Isaac Kook, prominent Revisionist Zionism activist during World War II
- Kook, a slave prominent in the 1811 German Coast Uprising
Media:
- KOOK (FM), a radio station (93.5 FM) licensed to Junction, Texas, United States
- KOOK-TV, a television station now known as KTVQ
- Kook TV, a Saraiki language TV Channel from Pakistan
- Kook (newspaper), a Saraiki language newspaper in Pakistan
- Kooks, a 1988–1991 magazine and a 1994 book by Donna Kossy
Entertainment:
- KOOK (TV series), a hit music programme on BBC Persian TV
- The Kooks, formed 2004, a British band
- The Kooks (Sweden), a band formed in 1998
- K.O.O.K., an album by German rock band Tocotronic
- "Kooks" (song), a 1971 David Bowie song on Hunky Dory