Cook Inlet (disambiguation)

Cook Inlet is an inlet in Alaska.

Cook Inlet may also refer to:
 * Cook Inlet Region, Inc., an Alaska Native regional corporation
 * USS Cook Inlet (AVP-36), a United States Navy seaplane tender in commission from 1944 to 1946
 * USCGC Cook Inlet (WAVP-384), later WHEC-384, a United States Coast Guard cutter in commission from 1949 to 1971
 * Cook Inlet beluga whale, a type of Beluga (whale)
 * The Cook Inlet Basin