Mackellar Inlet (62°5′S 58°28′W / 62.083°S 58.467°WCoordinates: 62°5′S 58°28′W / 62.083°S 58.467°W) is an inlet forming the northwestern head of Admiralty Bay, at King George Island in the South Shetland Islands. It was probably named by the Fourth French Antarctic Expedition under Jean-Baptiste Charcot, who charted Admiralty Bay in December 1909.
This article incorporates public domain material from the United States Geological Survey document "Mackellar Inlet" (content from the Geographic Names Information System).