Cristian Adrián Ritondo (27 July 1966) is an Argentine politician and National Deputy for Buenos Aires Province.

After, he was National Deputy (2006-2007) and Legislator in the City of Buenos Aires (2007-2015) for Republican Proposal.

In 2009 he became the President of the PRO block in the Buenos Aires City Legislature.

[1] On December 10, 2019, he assumed as National Deputy for Juntos por el Cambio for Buenos Aires Province, with a mandate until 2023.

Ritondo was elected chairman of the Republican Proposal bloc in the lower house.