Forming machine to process stretched-curd cheeses including a frame to support feed device of stretched curd toward a forming roll having a plurality of cavities on its lateral surface, which are able to house respective portions of stretched curd, and associated with motor to drive the roll in rotation around its longitudinal axis, during the rotation of the forming roll each row of cavities being able to transit through at least an angular loading position and an angular unloading position, and separation device also being provided, interposed between the feed device and the forming roll in correspondence with the angular loading position in order to cut the portions of stretched curd housed inside the cavities from the remaining mass of stretched curd during the rotation of the forming roll; the cavities are distributed on a plurality of circumferential lines of the forming roll.