An image capturing unit according to an embodiment of the present disclosure includes a camera, a bracket, a heat-dissipation part, and a coupling part. The camera is housed in a metal case. The bracket is formed of resin and configured to support the camera. The heat-dissipation part is disposed on a rear side of the camera and configured to dissipate heat of the camera. The coupling part is formed of metal and configured to couple the case of the camera and the heat-dissipation part to each other.