[Object] To provide an information processing device and information processing method, capable of obtaining useful information in which the attitude of a target person is taken into consideration from sensor information. [Solution] The information processing device includes: an acquisition unit configured to acquire information indicating a measurement result from a plurality of sensor devices configured to measure a pressure distribution of an attached part of a body of a user； an estimation unit configured to estimate arrangement of a plurality of parts to which the sensor devices are attached on the basis of a captured image including the plurality of parts； and a calculation unit configured to calculate information on the plurality of parts from the information indicating the measurement result acquired by the acquisition unit on the basis of the arrangement of the plurality of parts estimated by the estimation unit.
