Tomblaine (French pronunciation: [tɔ̃blɛn]) is a commune in the Meurthe-et-Moselle department in north-eastern France.

The Stade Marcel Picot, football stadium to Ligue 1 side AS Nancy, is located within the area.

It is bordered to the north by the municipalities of Saint-Max and Essey-lès-Nancy to the south by Jarville-la-Malgrange, Laneuveville-devant-Nancy, Art-sur-Meurthe and Saulxures-lès-Nancy.

In 1770, the castle within the town belonged to Prince Louis XVI, the future King of France.

The commune pays host to the professional football club, AS Nancy, who currently reside at the Stade Marcel Picot.