Rheinfelden

Rheinfelden may refer to:

Places

 * Rheinfelden (Baden), a town in the county of Lörrach in Baden-Württemberg, Germany
 * Rheinfelden (Aargau), a town in the canton of Aargau, Switzerland
 * Rheinfelden District, a district in the Swiss canton of Aargau

People

 * Adelaide of Rheinfelden (1060s–1090), Queen Consort of Hungary
 * Agnes of Rheinfelden (c. 1065-1111), daughter of King Rudolf of Rheinfelden
 * Bertha of Rheinfelden (c. 1065–after 1128), countess of Kellmünz
 * Berthold of Rheinfelden or Berthold I, Duke of Swabia (c. 1060-1099), Duke of Swabia
 * Franz Konrad Joseph Truchsess von Rheinfelden (1737–1826), German nobleman
 * John of Rheinfelden (c. 1340-unknown), Dominican friar and writer
 * Rudolf of Rheinfelden (also Rudolf of Swabia) (c. 1025-1080), counter-king to Henry IV in the Holy Roman Empire