According to one embodiment, a biological optical measurement apparatus includes a light emission unit, plural detectors, an image acquisition unit, and a calculation unit. The light emission unit is arranged on a surface of a subject and configured to substantially vertically emit light from an emission surface of the light emission unit to the surface of the subject. The plural detectors are arranged on a surface of a subject and configured to substantially vertically emit light from an emission surface of the light emission unit to the surface of the subject. The image acquisition unit acquires an image with respect to the subject.
