Blanca Margarita Magrassi Scagno (November 29, 1923 – October 9, 2015) was a Mexican women's rights activist, civil and pro-democracy activist, politician and leading figure within the National Action Party (PAN). Magrassi Scagno, the wife and political partner of Luis H. Álvarez, the former President of the National Action Party, served as a member of PAN's national executive committee from 1988 to 1990. She was considered a moral authority within PAN and Mexican politics.
Blanca Magrassi Scagno was born in Tampico, Tamaulipas, on November 29, 1923. She completed middle school and high school at St. Teresa's Academy in San Antonio, Texas. Magrassi earned a bachelor's degree in 1944 from the University of the Incarnate Word in Texas. She later completed her master's degree in educational psychology from New Mexico State University in 1967. Her research was published in Mexican Psychology Magazine, the Center for Educational Studies Magazine, Educational Studies in Latin America Magazine and the National Council of Science and Technology.
She married Luis H. Álvarez. The couple had two children, Blanca Estela and Luis Jorge.
Magrassi was the PAN candidate for Municipal President, or Mayor, of Chihuahua in 1968. She was also nominated as the PAN candidate for the national Senate of the Republic, representing the state of Chihuahua, during the 1988 general election.