Camarasa () is a municipality in the comarca of the Noguera in Catalonia, Spain. It is situated at the confluence of the Segre and Noguera Pallaresa rivers. The Camarasa reservoir on the Noguera Pallaresa (113 hmó) and the Sant Llorenç de Montgai reservoir on the Segre are important hydroelectric power stations.
It has a population of .
The C-147 road links the municipality with Balaguer and Tremp, and there are Renfe railway stations in Sant Llorenç de Montgai and L'Ametlla de Montsec.
The municipality includes a small exclave to the north.