[Object] To provide a display apparatus capable of obtaining excellent heat radiation performance of a light source while ensuring positional accuracy of the light source.[Solving Means] A display apparatus according to an embodiment of the present technology includes a light guide portion, a casing, a projection portion, a heat source, and a heat-transfer member. The light guide portion is disposed in front of eyes of a user. The casing is fixed to the light guide portion. The projection portion is housed in the casing and is configured to be capable of projecting an image to the light guide portion. The heat-transfer member includes a first end and a second end, the first end being connected to the heat source, the second end being connected to an inner surface of the casing, and is configured to be deformable.