Cunigunde of Luxembourg, OSB, also called Cunegundes, Cunegunda, and Cunegonda and, in Latin, Cunegundis or Kinigundis, was Empress of the Holy Roman Empire by marriage to Holy Roman Emperor Henry II. She ruled as interim regent after the death of her spouse in 1024. She is a saint and the patroness of Luxembourg; her feast day is 3 March.

Canonization is the declaration of a deceased person as an officially recognized saint, specifically, the official act of a Christian communion declaring a person worthy of public veneration and entering their name in the canon catalogue of saints, or authorized list of that communion's recognized saints.