Disclosed are an onboard camera holding method, an onboard camera, and a bracket that enable the onboard camera to be positionally aligned with precision. The holding method according to an aspect of the present technology is a method of holding the onboard camera that includes protruding portions having cylindrical faces respectively formed on a front face and left and right opposite side faces of a housing, by pressing the cylindrical faces of the respective protruding portions of the onboard camera against notches at insertion holes formed at positions of a bracket corresponding to positions of the respective protruding portions by use of forces applied by pressurizing members provided to the bracket, the pressurizing members applying the forces to predetermined positions of the housing. The present technology can be applied to the bracket of the onboard camera.