A twin clutch controlling apparatus which includes a multi-speed transmission having a plurality of gear trains between a main shaft (6, 7) on the input side and a countershaft on the output side, a shift actuator for carrying out changeover of a shift stage of the multi-speed transmission, a twin clutch configured from an odd number stage side clutch and an even number stage side clutch for connecting and disconnecting power transmission between the transmission and an engine, a clutch actuator for controlling the twin clutch, and a manual operation clutch capacity arithmetic operation section for converting an operation amount of a clutch manual operation means to arithmetically operate a manual operation clutch capacity arithmetic operation value (tqcltmt) corresponding to the manual operation, the twin clutch controlling apparatus comprising: a control section for controlling the shift actuator and the clutch actuator; and shift manual operation means for carrying out a shifting request to the control section; the control section being configured such that, if, after driving of the shift actuator is started in response to the shifting request by the shift manual operation means, the clutch manual operation means is operated in a connection direction before a next stage gear is placed into an in-gear state, then the one of the odd number stage side clutch and the even number stage side clutch which corresponds to the gear before the shifting, is driven in a corresponding relationship to the manual operation clutch capacity arithmetic operation value (tqcltmt), and characterised by an auto mode (Auto) in which the twin clutch is automatically controlled by the control section, a manual mode (Manual) in which the twin clutch is manually controlled in response to the manual operation clutch capacity arithmetic operation value (tqcltmt), and a temporary manual mode (Temp. Manual) are provided as control modes for the twin clutch; an automatic shift mode and a manual shift mode are provided as control modes for the multi-speed transmission; and when the control mode of the twin clutch is set to the manual mode (Manual), the control mode of the multi-speed transmission becomes the manual shift mode. a control section for controlling the shift actuator and the clutch actuator; and shift manual operation means for carrying out a shifting request to the control section; the control section being configured such that, if, after driving of the shift actuator is started in response to the shifting request by the shift manual operation means, the clutch manual operation means is operated in a connection direction before a next stage gear is placed into an in-gear state, then the one of the odd number stage side clutch and the even number stage side clutch which corresponds to the gear before the shifting, is driven in a corresponding relationship to the manual operation clutch capacity arithmetic operation value (tqcltmt), and characterised by an auto mode (Auto) in which the twin clutch is automatically controlled by the control section, a manual mode (Manual) in which the twin clutch is manually controlled in response to the manual operation clutch capacity arithmetic operation value (tqcltmt), and a temporary manual mode (Temp. Manual) are provided as control modes for the twin clutch; an automatic shift mode and a manual shift mode are provided as control modes for the multi-speed transmission; and when the control mode of the twin clutch is set to the manual mode (Manual), the control mode of the multi-speed transmission becomes the manual shift mode.