A biological information detection apparatus includes a detection unit which has a light receiving unit receiving light from a subject, a light transmitting member which is provided on a housing surface side in contact with the subject of the biological information detection apparatus, transmits light from the subject, and has a convex portion in contact with the subject to give a pressing force to the subject when measuring biological information of the subject, and a pressing force suppression unit which is disposed in periphery of the convex portion above the housing surface and suppresses the pressing force given to the subject by the convex portion.