A light emission controlling apparatus, an operation device, a light emission controlling method and a program that facilitate understanding of identification information associated with the operation device are disclosed. The light emission controlling apparatus includes an identification information specification unit that specifies the identification information associated with the operation device. A specific light emission region specification unit specifies a specific light emission region that is part of a light emission region set to the operation device, the specific light emission region according to the identification information. A light emission controlling unit controls such that at least part of the light emission region emits light in such a manner that a color according to the identification information and the specific light emission region are recognizable.