Daniel Ricardo Díaz (born 7 July 1989) is an Argentine road bicycle racer, who currently rides for UCI Continental team Transportes Puertas de Cuyo.

[3] In 2012, he came in second place of the general classification of the Tour de San Luis.

[6] In January 2013, Díaz won the overall classification of the Tour de San Luis, besting second-placed Tejay van Garderen (BMC Racing Team) by 33 seconds.

[7] He earned the leader's jersey after the mountainous stage 5, where he finished second behind his teammate Emmanuel Guevara.

[8] He managed to hold on to his lead until the end of the seven-stage race, scoring another second place on the sixth stage finishing atop the Mirador del Sol, 2 seconds behind Alberto Contador (Saxo–Tinkoff), who placed a strong attack in the closing kilometer.