Tatinghem (French pronunciation: [tatɛ̃ɡɛm]; West Flemish: Tatingem, Picard: Tatinghin) is a former commune in the Pas-de-Calais department in northern France. On 1 January 2016, it was merged into the new commune Saint-Martin-lez-Tatinghem.

Tatinghem is located just 2 miles (3 km) west of Saint-Omer, on the D208 road.

Historical population of Tatinghem

Year	1962	1968	1975	1982	1990	1999	2006
Population	693	962	925	1462	1589	1722	1837
From the year 1962 on: No double counting—residents of multiple communes (e.g. students and military personnel) are counted only once.

• The church of Saint Jacques, dating from the seventeenth century.
• The eighteenth-century château.

• Communes of the Pas-de-Calais department