The present invention relates to an endoscope apparatus in which a bending portion is configured to be actuated to be bent by operating a bending operation portion and including an actuation portion.An object of the present invention is to provide an endoscope apparatus whose operability is improved.An endoscope apparatus is characterized by comprising an endoscope (16), wherein the endoscope (16) includes an insertion portion (17) configured to be inserted into a lumen, and an operation portion (24) coupled to the insertion portion (17) and configured to be held and operated by an operator, and the endoscope apparatus includes a bending portion (19) provided at the insertion portion (17) and configured to be actuated to be bent, an actuation portion (32) configured to be actuated, a bending operation portion (28) provided at the operation portion (24) and configured to be moved in a basic direction relative to the operation portion (24) wherein the bending operation portion (28) is configured to be moved in an additional direction different from the basic direction, a bending driving mechanism (50) configured to actuate the bending portion (19) to be bent according to movement of the bending operation portion (28) in the basic direction relative to the operation portion (24), and a driving unit (60 70) configured to actuate the actuation portion (32) according to movement of the bending operation portion (28) in the additional direction relative to the operation portion (24).