Neolithodes bronwynae, commonly known as the rock crab,[2][3] is a species of king crab which is found at the Whakatane Seamount in the Bay of Plenty, the Lord Howe Rise near Lord Howe Island, eastern Australia, and possibly New Caledonia.

[4][6] N. bronwynae is deep-red in colour and has a pyriform carapace having been measured as large as 220.0 mm (8.66 in) in length and 155.9 mm (6.14 in) in width.

[4] The dorsal surfaces of its carapace, chelipeds, and walking legs are covered in long, slender spines with granules inbetween.

[4] Long spines similarly cover its abdomen, and its underside is covered with tubercles and stout spines.

[4] "Neolithodes" is derived from Greek and Latin and means "new stone-crab",[7] while "bronwynae" is named for Bronwyn Ahyong.