Carmel: Who Killed María Marta? is a 2020 Argentine true crime documentary miniseries directed by Alejandro Hartmann.

It was written by Alejandro Hartmann, Sofía Mora (who was in charge of the investigation), Lucas Bucci and Tomás Sposato. The showrunner and producer was Vanessa Ragone.

The miniseries tells the story of the 2002 still-unsolved death of María Marta García Belsunce and the controversial criminal case that followed, known as the García Belsunce Case, which received major national media coverage in Argentina. Each one of the four episodes focuses on an aspect of the investigation, exploring different investigation lines and suspects, including interviews with journalists who covered the crime, the prosecutor of the criminal case, family members and friends.

The series was filmed at the Carmel Country Club, the gated community in Pilar, Buenos Aires, where the crime took place, as well as Bariloche and Buenos Aires. It premiered worldwide on Netflix on November 5, 2020.