La Folletière (French pronunciation: [la fɔltjɛʁ]) is a former commune in the Seine-Maritime department in the Normandy region in northern France. On 1 January 2016, it was merged into the new commune of Saint-Martin-de-l'If.

A very small forestry and farming village situated by the banks of the river Cesne in the Pays de Caux, some 20 miles (32 km) northwest of Rouen, at the junction of the D89 and the D289 roads.

Historical population of La Folletière

Year	1962	1968	1975	1982	1990	1999	2006
Population	52	53	42	47	52	56	69
From the year 1962 on: No double counting—residents of multiple communes (e.g. students and military personnel) are counted only once.

• The sixteenth century church was demolished in 1828.

• Communes of the Seine-Maritime department