A control device for an internal combustion engine comprising: a variable valve timing portion (26, 27) for changing a phase of opening and closing of each of an intake valve and an exhaust valve into a target phase; an EGR valve adjusting an exhaust gas recirculation amount recirculated from an exhaust side to an intake side; a supercharging efficiency control portion controlling a supercharging efficiency of a supercharger; a throttle valve adjusting an intake air amount; and the internal combustion engine control device being configured to feedback-control the EGR valve and the supercharging efficiency control portion, and feedforward-control the variable valve timing portion (26, 27), wherein the feedforward control changes the target phase of the variable valve timing portion (26, 27) based on a driving state of the internal combustion engine, and wherein the control device is configured to feedback-control the supercharging efficiency control portion based on a supercharging efficiency feedback proportional term which is proportional to a deviation between a target supercharging pressure and an actual supercharging pressure, and based on a supercharging efficiency feedback integral term which is a learning value of a control based on the supercharging efficiency feedback proportional term, and to feedback-control the EGR valve to change an actual opening degree of the EGR valve based on a reference opening degree which is changed with a deviation between a target EGR rate and an actual EGR rate, and wherein the feedforward control restricts the change rate of the target phase based on the supercharging efficiency feedback proportional term or the supercharging efficiency feedback integral term, and based on the deviation between the target EGR rate and the actual EGR rate or the deviation between the reference opening degree of the EGR valve and the actual opening degree of the EGR valve. a variable valve timing portion (26, 27) for changing a phase of opening and closing of each of an intake valve and an exhaust valve into a target phase; an EGR valve adjusting an exhaust gas recirculation amount recirculated from an exhaust side to an intake side; a supercharging efficiency control portion controlling a supercharging efficiency of a supercharger; a throttle valve adjusting an intake air amount; and the internal combustion engine control device being configured to feedback-control the EGR valve and the supercharging efficiency control portion, and feedforward-control the variable valve timing portion (26, 27), wherein the feedforward control changes the target phase of the variable valve timing portion (26, 27) based on a driving state of the internal combustion engine, and wherein the control device is configured to feedback-control the supercharging efficiency control portion based on a supercharging efficiency feedback proportional term which is proportional to a deviation between a target supercharging pressure and an actual supercharging pressure, and based on a supercharging efficiency feedback integral term which is a learning value of a control based on the supercharging efficiency feedback proportional term, and to feedback-control the EGR valve to change an actual opening degree of the EGR valve based on a reference opening degree which is changed with a deviation between a target EGR rate and an actual EGR rate, and wherein the feedforward control restricts the change rate of the target phase based on the supercharging efficiency feedback proportional term or the supercharging efficiency feedback integral term, and based on the deviation between the target EGR rate and the actual EGR rate or the deviation between the reference opening degree of the EGR valve and the actual opening degree of the EGR valve.