Sadie Plant (born 1964 in Birmingham, England) is a British author and philosopher.
She earned her Ph.D. in Philosophy from the University of Manchester in 1989, then taught at the University of Birmingham's Department of Cultural Studies (formerly the Centre for Contemporary Cultural Studies) before going on to found the Cybernetic Culture Research Unit at the University of Warwick, where she was a faculty member. Her original research was on the Situationist International, and she contributed to the Situationist-inspired magazine Here and Now (published between 1985 and 1994), before turning her attention to the social potential of cyber-technology.
Sadie Plant left the University of Warwick in 1997 to write full time. She has published articles in publications as varied as the Financial Times, Wired, Blueprint, and Dazed and Confused. She was interviewed as one of the ‘People to Watch’ in the Winter 2000—2001 issue of Time.