Gizhigin Bay or Gyzhigin Bay (Gizhiginskaya Guba) is a wide bay northwest of Kamchatka, Russia. It is an upper left arm of Shelikhov Bay in the NE corner of the Sea of Okhotsk. The east side is the Tygonos Peninsula which separates it from the long and narrow Penzhin Bay. It is about 260 by 148 km, has a maximum depth of 88 m and maximum tides of over 9 metres.