A light distribution element and a lamp are provided. The lamp includes a plurality of subsections combined with each other, each of the plurality of subsections is a part of a circumference, and the plurality of subsections can be located on at least one virtual circumference by movement. The light distribution element of the present application includes a plurality of subsections combined with each other, which is favorable for providing the lamp with a special-shaped configuration, thus facilitating the use of the lamp.