The Turtmann Glacier () is a 5 km long glacier (2005) situated in the Pennine Alps in the canton of Valais in Switzerland. In 1973 it had an area of 5.91 km<sup>2</sup>. The glacier is located north of Bishorn and Weisshorn.
On an altitude of 3256m, at the western border of the glacier, lies the Tracuit Hut (French: Cabane de Tracuit). This hut, run by the Swiss Alpine Club (SAC), is a starting point for the ascent to the Bishorn, the Weisshorn and Les Diablons.