Pefaur (Ventimiglia) Peninsula is the heavily glaciated peninsula projecting 11 km in northwest direction from Danco Coast on the west side of Antarctic Peninsula. Bounded by Hughes Bay to the northeast and Charlotte Bay to the south, and separated from Brabant Island to the northwest by Gerlache Strait.
The peninsula is named both by Argentina and Chile, in the latter case for J. Pefaur, biologist at the University of Concepción who worked on board the naval vessel Yelcho during the 1967-68 Chilean Antarctic Expedition.
Pefaur (Ventimiglia) Peninsula is centred at . British mapping in 1978.