Cladorhiza is a genus of carnivorous sponges, comprising around 40 species found in oceans around the world. Cladorhiza is the type genus of the family Cladorhizidae.
Species of Cladorhiza show a wide variety of forms. Some are globular, spherical, or conical, while others grow in tree-like or bush-like shapes. Many species have a narrow stalk or stem. Most species range from 2 to 12 cm in height, with a few attaining heights of 20 to 40 cm.
As of 2014, 40 valid species of Cladorhiza are recognized.