Mónica Irina Flores Grigoriu (born 31 January 1996) is a former American-born Mexican footballer who last played as a left-back for Liga MX Femenil club CF Monterrey and the Mexico women's national team.

Flores made her full international debut for Mexico on January 23, 2016.^[3]

Flores was born to a Mexican father and a Romanian mother.^[4] Flores grew up in Livingston, New Jersey and played soccer at Livingston High School.^[1] Her twin sister Sabrina Flores represented United States U-20 and they faced each other at the 2015 CONCACAF Women's U-20 Championship and the 2016 FIFA U-20 Women's World Cup. In June 2018, Sabrina joined Mónica in the Mexico national team after doing the one-time international allegiance switch.^{[citation needed]}

While attending the University of Notre Dame she lived in Pasquerilla East Hall.^{[citation needed]}