Disclosed herein is a light receiving apparatus, including: a light receiving section including a light receiving element; a transparent part; and a light guiding part inserted in the groove; the groove having, on the front face side, a side face formed as an arcuately curved face convex toward the front face side and having the same shape in any cross section perpendicular to the front face and also to the depthwise direction of the groove; the light guiding part having a side face opposing to the side face of the groove on the front face side and formed as an arcuately curved face which is convex toward the front face side in a state wherein the light guiding part is inserted in the groove and which has the same shape in any cross section perpendicular to the front face and also to the depthwise direction of the groove.