Alum (disambiguation)

Alum is a species and class of chemical compound. Potassium alum, the prototypical member of the class, is often referred to simply as alum.

Alum may also refer to:


 * Alum, Texas, a community in the US
 * Alumnus, a graduate of a particular institution
 * Alum Pot, a pothole in Simon Fell, North Yorkshire, England
 * Ålum Runestones, four Viking age runestones located in Ålum, Denmark
 * Robert Alum (died 1417), an English medieval bishop and university chancellor