An operating device comprises a base member and an operating member. The base member includes a first end portion, a second end portion, and a grip portion. The first end portion is configured to be coupled to a handlebar. The second end portion is opposite to the first end portion. The grip portion is provided between the first end portion and the second end portion. The operating member is pivotally coupled to the base member about a pivot axis. The base member includes a first lateral surface, a second lateral surface, and a first positioning portion. The second lateral surface is provided on a reverse side of the first lateral surface in a pivot axis direction parallel to the pivot axis. The first positioning portion is provided on the first lateral surface. The first positioning portion is configured to position a rider's finger.