Fécamp (French pronunciation: [fekɑ̃]) is a commune in the northwestern French department of Seine-Maritime.

Fécamp is situated in the valley of the river Valmont, at the heart of the Pays de Caux, on the Alabaster Coast. It is around 35 kilometres (22 mi) northeast of Le Havre, and around 60 kilometres (37 mi) northwest of Rouen.

According to its late medieval founding legend, the trunk of a fig tree (ficus) carrying the Precious Blood of Christ collected by Joseph of Arimathea was washed ashore on the riverbank at Fécamp in the 1st century. Immediately, a fountain of holy blood gushed from the site; the relic attracted many medieval pilgrims, enhancing the reputation of the city.

The monks' legend justified the artificial etymology of the name to Fici-campus, the camp of the fig tree. Fécamp, however, is mentioned in 875 as Fiscannum and in 990 as Fiscannus and as late as 1496 which stem from the Germanic root fisc (English "fish") with an unknown suffix. It used to be the name of the Valmont River.

The prehistoric site, on the high ground inland from the port of Fécamp, reveals human occupation dating back to Neolithic times. Spreading over 21 hectares, surrounded by walls and ditches for a length of nearly 2000 meters, including a praetorian door. Objects recovered range in date from the Neolithic until Roman times.

Many items of the Gallo-Roman period have been found locally, particularly coins (including two gold Gallic coins found in 1839). A bronze axe, of Celtic design, was unearthed in 1859.

Fécamp was on the ancient road linking Arques-la-Bataille and Lillebonne with the north of Gaul. The archaeological diggings around the Ducal palace (in the grounds of the present abbey) in 1973-1984 revealed some evidence of the La Tène Celtic culture and Gallo-Roman works. Two Gallo-Roman cemeteries have also been discovered.

During Roman times, a road linked Fécamp to Étretat, passing through the present-day village of Fond-Pitron. The current D940 follows the original Roman road.