Cristopher Benjamín Toselli Ríos (Spanish pronunciation: , born 15 June 1988) is a Chilean footballer who plays as a goalkeeper for Universidad Católica.
Toselli is best known for beating Cláudio Taffarel's cleansheet record of 484 minutes during 2007 FIFA U-20 World Cup of Canada, surpassing him by eight minutes and completing 492 minutes in total, helping Chilean youth squad to a third-place finish. In 2009, he was a member of César Vaccia's 23-man squad who won the Toulon Tournament, a tournament that Cristopher lost in 2008 against Italy under Marcelo Bielsa as coach.
Born in Antofagasta, Toselli joined Universidad Católica youth ranks in 2001, being promoted to first-team by the coach Jorge Pellicer in 2006 for the Torneo Apertura, due to the departure of second-choice keeper Rainer Wirth to Deportes Temuco. The following year, after a notable performance in the FIFA U-20 World Cup, he made his club debut on 25 November, during a 3–0 home win to Coquimbo Unido played at San Carlos. The next season, he was challenging the goal with record-man José María Buljubasich, becoming the first-choice keeper, after their mistakes and its departure to Olimpia.