Sidi Kacem () is a province in the Moroccan economic region of Rabat-Salé-Kénitra. The capital is Sidi Kacem. The population of the province in 2004 was 489,422 and it recorded a population of 522,270 in the 2014 Moroccan census.
The major cities and towns are:
The province is divided administratively into the following municipalities and communes: