María José Poncell Maurin (born 3 September 1995) is a Chilean lawyer and sailor.

María José was born in Santiago, daughter of the Spanish sailor, Antonio Poncell, and the Chilean sailor, Marissa Maurin (current president of the Chilean Sailing Federation).

[2] As a lawyer, she has worked as a legislative advisor and in the National Service for the Specialised Protection of Children and Adolescents in Chile.

She has participated in several competitions at national and international level, with Laser Radial (ILCA 6) her specialty.

She is 10-time national champion in the women's category in Laser Radial and had success at a number of international championships, including top 10 in the ISAF Junior World Championship, a gold medal in the 2016 Bolivarian Games,[4] a bronze medal in the 2018 Odesur Games,[5] and bronze medal in the 2023 Pan American Games.