To provide an electronic apparatus provided with a lock structure which allows sure locking by bringing respective members having locking holes into close contact with each other to secure the dimensional accuracy in a thickness direction of the respective members having the locking holes in accordance with a design value, and inserting a lock key to the respective locking holes.

A folding part 7a which catches a front end part of a base panel-side projection 5 to lock the base panel-side projection 5 in close contact with a side panel-side projection 7 provided on a side panel 4 is formed on a front end part of the side panel-side projection 7. When the side panel 4 is moved and is attached over an aperture surface 3a of the base panel 3, a lock key 10 of a Kensington lock 9 is inserted into a first slot 6 and a second slot 8 brought into contact with the same position by the folding part 7a and is rotated, whereby the side panel 4 is locked to the base panel 3.