Stephanie Diana Wilson (born 1966 in Boston, Massachusetts) is an American engineer and a NASA astronaut. She flew on her first mission in space onboard the Space Shuttle mission STS-121, and is the second African American woman to go into space, after Mae Jemison.

Wilson's educational background includes: Taconic High School, Pittsfield, Massachusetts (1984); Harvard University (B.S. Engineering, 1988); University of Texas (M.S. Aerospace engineering, 1992).

On June 7, 2007, Harvard University announced that Wilson was elected to a six-year term on Harvard's Board of Overseers.