Sainte-Marguerite-sur-Fauville (, ) is a former commune in the Seine-Maritime département in the Normandy region in northern France. On 1 January 2017, it was merged into the new commune Terres-de-Caux.
Inhabitants are called Sainte-Margueritais (male) or Sainte-Margueritaises (female).
A small farming village, in the Pays de Caux, situated northeast of Le Havre, to the north of the junction of the D109 and D50 roads.