Ileana Ros-Lehtinen (; born Ileana Carmen Ros y Adato, July 15, 1952) is a politician and lobbyist from Miami, Florida, who represented Florida's 27th congressional district from 1989 to 2019. By the end of her tenure, she was the most senior U.S. Representative from Florida. She was Chairwoman of the House Foreign Affairs Committee from 2011–2013. In 1989, Ros-Lehtinen won a special election and became the first Cuban American elected to Congress. She was also the first Republican woman elected to the House from Florida. Ros-Lehtinen gave the first Republican response to the State of the Union address in Spanish in 2011, and gave the third in 2014.
In September 2011, Ros-Lehtinen became the first Republican member of the U.S. Congress to co-sponsor the Respect for Marriage Act, which would repeal the Defense of Marriage Act. In July 2012, Ros-Lehtinen became the first Republican in the House to support same-sex marriage.
On April 30, 2017, Ros-Lehtinen announced that she would not be running for re-election in 2018.
