Coordinates: 50°42′04″N 2°46′42″E / 50.701°N 2.7783°E / 50.701; 2.7783

Steenwerck is a commune in the Nord department in northern France. It is located about 25 km (16 mi) north of Lille and as of 2003 has a population of 3260.

It is home to Steenwerck's 100 km à pied race event, which features a traditional marathon, and a 100 km (62 mi) marathon, although most local residents prefer to merely walk one lap (roughly 24 km).

Steenwerck also has its own festival giant, as is the tradition in the Nord Department, which is named Totor and is one of the tallest, measuring 5.70 m (0.00354 mi).

Other places of interest include the Museum of Rural Life as well as the Trois Abres Cemetery and Grand Beaumart Cemetery of the First World War.

Steenwerck was created by the Franks. The first mention in the 12th century – in 1160 with the invasion by La Becque, from Saint-Jans-Cappel.

Through the course of history, several variations have appeared: for the period when Middle Dutch was spoken (1150 - 1550) one would see: