William Bona Anima or Bonne-Âme (died 1110) was a medieval archbishop of Rouen. He served from 1079 to 1110. William was the son of Radbod, the bishop of Sées and was a canon at Rouen as well as an archdeacon in that diocese. He then entered a monastery and became abbot of the monastery of Saint-Etienne in Caen from 1070 to 1079. He then was named archbishop of Rouen, where he served from 1079 to 1110.