Saint Aprus (or Aper, French: Apre, Epvre, Èvre, Avre; died 507) was the seventh bishop of Toul (r.

Other popular variants state his birthplace as Trier, the center of the ecclesiastical province of Belgica prima.

He preached in particular in the city of Grand (Vosges), which was a centre of pagan pilgrimage, and still has important remains Gallo-Roman ruins.

According to the hagiography, Aprus' final resting place is said to be the site of many miracles until the invasions of the 10th century.

Many years later, these relics, which had reinstated the buildings of the Saint-Maurice church, were stolen by monks and rediscovered in 978 AD.