Eileen Ermita-Buhain (born May 12, 1969) is a Filipino politician. A member of the Lakas-CMD Party, she has been elected to three terms as a Member of the House of Representatives of the Philippines, representing the 1st District of Batangas. She first won election to Congress in 2001, and was re-elected in 2004 and 2007.Ermita-Buhain is married to the swimmer and former Olympian Eric Buhain, who currently serves as chairman of the Games and Amusement Board.