Rodrigo Roncero, also known as "RoRo" (born 16 February 1977, in Buenos Aires), is a retired Argentine former rugby union player.

Roncero was included in a mid-week Pumas side to play South Africa A, that Marcelo Loffreda was using to determine part of his squad for the 2003 Rugby World Cup.

He was included in the Pumas' 2003 Rugby World Cup squad, playing in matches against Namibia and Romania.

In the issue of Rugby World magazine published in December 2009 (and dated January 2010), the columnist Stephen Jones ranked Roncero as the ninth best player in the world at the time of his writing.

[7] Rodrigo was part of Argentine squad for the 2011 Rugby World Cup in New Zealand.