The Arolla Glacier (French: Glacier d'Arolla) is a 4 km (2.5 mi) long glacier (2005) situated in the Pennine Alps in the canton of Valais in Switzerland . In 1973, it had an area of 13.17 km2 (5.08 sq mi).

The Glacier d'Arolla is in fact composed of two glaciers: the Glacier du Mont Collon and the Haut Glacier d'Arolla.

The Glacier du Mont Collon has a length of almost 5 km and a width of about 1 km at the top. It covers an area of 7 km2 (2.7 sq mi). It begins on the tips of Oren (3525 m) and flows north through a corridor bordered by the Little Mount Collon (3,556 m) and Bishop (3716 m) west, and Mont Collon in the east.