SENSOR MODULE

[Object] To provide a sensor module that makes it possible to suppress generation of resin burrs and improve workability.[Solving Means] A sensor module (100) according to an embodiment of the present technology includes a sensor element, a first case (11), a second case (12), and a groove (70). The first case (11) includes an opening end including a first welded region and accommodates therein the sensor element. The second case (12) includes a joining surface (123) including a second welded region (50), the second welded region (50) being welded to the first welded region to form a welded portion. The groove (70) is formed in at least one of the first welded region or the second welded region (50).