Madeleine Mary Zeien Bordallo (born May 31, 1933) is the Delegate from the United States territory of Guam to the United States House of Representatives.She is the first woman ever to serve as Guam's Delegate, the first female Lieutenant Governor of Guam (from 1995 to 2003), the first female candidate for Governor of Guam (in 1990), and the first female Democrat elected to the Legislature of Guam. Her 1990 campaign also made her the first non-Chamorro gubernatorial candidate in Guam.