Cambrai is a town in France. It may also refer to:
- Cambrai, South Australia, a small town in Australia
- Archdiocese of Cambrai in northern France
- Arrondissement of Cambrai, an arrondissement of France, located in the Nord department, in the Nord-Pas de Calais region. It has 7 cantons and 116 communes.
- Cambrai, a commune in the Nord department in northern France. It is a sub-prefecture of the department.
- Battle of Cambrai (1917), noted for the initially successful use of tanks in a large-scale combined arms operation, but ultimately ending in stalemate
- Cambrai, 1917: The First Blitzkrieg, a 1974 wargame that simulates the 1917 battle
- Battle of Cambrai (1918), in October 1918 was a British and Canadian victory
- Cambrai a fictional country on the US soap opera Guiding Light