Hercules Inlet () is a large, narrow, ice-filled inlet which forms a part of the southwest margin of Ronne Ice Shelf. It is bounded on the west by the southeast flank of the Heritage Range, and on the north by Skytrain Ice Rise. Named by Advisory Committee on Antarctic Names (US-ACAN) for the LC-130 Hercules aircraft used by the U.S. Naval Support Force, Antarctica, as a photographic and load carrying plane.
This article incorporates public domain material from the United States Geological Survey document "Hercules Inlet" (content from the Geographic Names Information System).