Ileana Ros-Lehtinen (also known as Ileana Ros; born Ileana Ros y Adato July 15, 1952) is a Republican United States Representative for Florida's 18th congressional district having held that office since 1989. She is currently the most senior Republican woman in the U.S. House, and is the first Republican woman elected to the House of Representatives from Florida. Ros-Lehtinen is the Ranking member on the House Foreign Affairs Committee for the 111th Congress.

Ros-Lehtinen was born in Havana, Cuba to Enrique Ros and his wife, Amanda Adato.

She received her Bachelor of Arts in education and her Master of Arts in educational leadership from Florida International University. She attended the University of Miami where she earned a Ph.D in higher education. She was a member of the Florida House of Representatives from 1982 to 1986, and was then a one-term member of the Florida Senate before entering the House.