María Florencia López (born 26 February 1979) is an Argentine politician of the Justicialist Party.

[3] The FJR list came second with 45.50%, and so only Menem was elected for the minority seat as per the Senate's limited voting system.

[4][5] Toward the end of her term as mayor, in 2019, López was selected to be the running mate of Ricardo Quintela in the Frente de Todos gubernatorial ticket.

Quintela and López won with 44.89% of the vote, and, on 11 December 2019, she was sworn in as Vice Governor of La Rioja.

As the second candidate in the 2017 FJR list, López was next in line to fill in Menem's vacancy in the Senate, but she declined to assume the position as she wished to remain in office as vice governor of La Rioja.