Spormaggiore (Sporgrànt or Spór in local dialect) is a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about northwest of Trento. As of October 2011, it had a population of 1,259 and an area of .
Spormaggiore borders the following municipalities: Tuenno, Ton, Campodenno, Sporminore, Mezzolombardo, Fai della Paganella, Cavedago and Molveno.