Wahlstrom Peak is a 4,677 metres (15,344 ft) high, sharp peak at the southeast side of the ice-covered Vinson Plateau in the Sentinel Range of the Ellsworth Mountains, Antarctica. It surmounts the head of Roché Glacier to the northwest and Hammer Col to the southeast. The peak was named by US-ACAN in 2006 after , member of the 1966–67 American Antarctic Mountaineering Expedition that made the first ascent of Mount Vinson, the summit of Antarctica, and other high mountains in the Sentinel Range.