Provided are a photoplethysmographic measurement apparatus, a photoplethysmographic measurement method, and an apparatus for measuring a biosignal. The photoplethysmographic measurement apparatus includes a probe, a light emitter comprising a nonelectrical light source and disposed at one end of the probe, the light emitter configured to illuminate a measurement part, and a light receiver disposed at another end of the probe and configured to detect light reflected or transmitted by the illuminated measurement part.