Letty Leonor Quintero Orrego (born 13 November 1985) is an Ecuadorian former footballer who played as a full-back. She has been a member of the Ecuador women's national team.
Quintero has played for the Guayas selection in Ecuador.
Quintero represented Ecuador at the 2004 South American U-19 Women's Championship. She capped at senior level during the 2006 South American Women's Football Championship.