An endoscope apparatus with which the inside of an inspection object can be observed in detail is provided. In addition, the structure of the endoscope apparatus is simplified. The endoscope apparatus includes a tubular insertion portion having an end portion, and the end portion is provided with a light-emitting device and an optical device. The optical device is provided on an end surface in the end portion, and the light-emitting device is provided along a side surface of the end portion.
