Margaret Spellings (born November 30, 1957) was the Secretary of Education from 2005 to 2009 under the administration of U.S. President George W. Bush and previously served as White House Domestic Policy Adviser to President George W. Bush.

She was one of the principal proponents of the 2001 No Child Left Behind Act that aimed at reforming primary and secondary education. In 2005, she convened a Commission on the Future of Higher Education to recommend reform at the post-secondary level. Since leaving this role, Spellings has founded Margaret Spellings & Company, an education consulting firm in Washington, D.C., and is a senior advisor to the Boston Consulting Group.

Margaret Spellings, born Margaret Dudar on November 30, 1957 in Michigan, moved with her family to Houston when she was in the third grade. Spellings graduated from Sharpstown High School in 1975.

Margaret Spellings earned a Bachelor of Arts degree in political science from the University of Houston in 1979 and worked in an education reform commission under Texas Governor William P. Clements and as associate executive director for the Texas Association of School Boards. Before her appointment to George W. Bush's presidential administration, Spellings was the political director for Bush's first gubernatorial campaign in 1994, and later became a senior advisor to Bush during his term as Governor of Texas from 1995 to 2000.