Larsen Bank is a shoal with a least depth of in the northern part of Newcomb Bay, Antarctica, located north of Kilby Island in the Windmill Islands.
It was discovered and charted in February 1957 by a party from the . The bank was named by the Antarctic Names Committee of Australia for Ludvig Larsen, second mate on the Thala Dan, used by the Australian National Antarctic Research Expeditions in a 1962 survey of Newcomb Bay.