The Copa Republica Argentina (Japanese アルゼンチン共和国杯) is a Grade 2 handicap horse race for Thoroughbred colts and fillies aged three and over run over a distance of 2,500 metres at Tokyo Racecourse.

The race is run in November and serves as a trial race for the Japan Cup and the Arima Kinen.

The race distance has been fixed at 2500 metres since 1981.

Among the winners of the race have been Admire Jupiter, Screen Hero, Tosen Jordan, Gold Actor, Cheval Grand and Suave Richard.

Speed record: Most successful horse (2 wins):