[Object] To provide in particular a biological information measurement device capable of stably measuring biological information with a high degree of accuracy, compared with the related art, and an input device utilizing that.[Solution] A biological information measurement device 10 includes near-infrared cameras 2a and 2b capable of detecting pupils of an object person, a detection unit 11 capable of detecting pupil areas from pieces of image data obtained by the near-infrared cameras 2a and 2b, a luminance acquisition unit 12 that acquires luminances of skin areas serving as at least portions of the peripheries of the pupil areas, and a biological measurement unit 13 that measures biological information of the object person from the luminances.
