PROBLEM TO BE SOLVED: To provide an occupant observation device capable of reducing a processing load and improving detection accuracy. SOLUTION: The eye detection unit includes an image pickup unit that captures an image of a head of a vehicle occupant and an eye detection unit that detects at least a part of the occupant's eye in an image captured by the image pickup unit. Is an occupant observation device that detects the eye of the occupant that is closer to the imaging unit. [Selection diagram] Fig. 1【課題】処理負荷を軽減し、且つ検出精度を向上させることができる乗員観察装置を提供すること。【解決手段】車両の乗員の頭部を撮像する撮像部と、前記撮像部により撮像された画像において、少なくとも前記乗員の眼の一部を検出する眼検出部と、を備え、前記眼検出部は、前記乗員の眼のうち前記撮像部に近い方の眼を検出対象とする、乗員観察装置。【選択図】図１
