Saint-Jean-de-Folleville (French pronunciation: [sɛ̃ ʒɑ̃ də fɔlvil]) is a commune in the Seine-Maritime department in the Normandy region in northern France.

A farming village in the Pays de Caux, situated some 19 miles (31 km) east of Le Havre, at the junction of the D81 and D982 roads. The river Seine marks the southern border of the commune.

Historical population

Year	Pop.	±% p.a.
1968	586	—
1975	622	+0.86%
1982	599	−0.54%
1990	731	+2.52%
1999	742	+0.17%
2007	828	+1.38%
2012	834	+0.14%
2017	827	−0.17%
Source: INSEE

• The church of St. Jean, dating from the thirteenth century.
• The church of Notre-Dame, in the village of Radicatel, dating from the sixteenth century.
• The eighteenth-century farmhouse de Gouberville, once owned by the father of Charlotte Corday.

• Communes of the Seine-Maritime department