The Speer is a mountain in the Appenzell Alps with an elevation of , located in the canton of St. Gallen, Switzerland. It is situated between the Toggenburg valley, the Linth Plain, and Lake Zurich, overlooking the region between Lake Zurich and Lake Walen.
Being easily accessible (e.g. from Amden), the summit is popular for its panoramic view of the Alps and Prealps from central to eastern Switzerland. The ascent, however, involves a few hours of hiking.
Nearby mountains are the Federispitz and Mattstock.