Cape Musselman ({{coord|71|17|S|61|0|W|display=inline,title}}) is a cape forming the south side of the entrance to Palmer Inlet, on the east coast of Palmer Land. Discovered by members of the United States Antarctic Service (USAS) who explored this coast by land and from the air from East Base in 1940. Named for Lytton C. Musselman, member of the East Base party which sledged across Dyer Plateau to the vicinity of Mount Jackson, which stands inland from this cape.

• Henry Douglas McIver
• Henry Doulton
• Henry Draper
• Henry Draper Catalog
• Henry Draper Catalogue
• Henry Draper catalogue
• Henry Draper Medal
• Henry Drapper
• Henry Drayton
• Henry Dreyfuss
• Henry Drummond (1786–1860)
• Henry Drummond (evangelist)
• Henry Drummond-Wolff
• Henry Drummond Wolff
• Henry Drury Hatfield
• Henry Drysdale Dakin
• Henry D. Thoreau
• Henry Dudeney
• Henry Dudley (conspirator)
• Henry Duff Traill
• Henry, Duke of Brunswick-Dannenberg
• Henry, Duke of Cornwall
• Henry, duke of Guise
• Henry Dunant
• Henry Duncan (minister)