Rebeca Lissette Quinteros Ortíz (born 28 August 1997) is a Salvadoran swimmer. She competed in the women's 400 metre freestyle event at the 2016 Summer Olympics. Her time was just under five minutes in an event that was won by Katie Ledecky. In 2014, she represented El Salvador at the 2014 Summer Youth Olympics held in Nanjing, China.