Kim Eric Drexler (born 25 April 1955) is an American author and engineer, currently Senior Research Fellow at the Future of Humanity Institute.

Drexler is most famous for his pioneering work on atomically precise manufacturing, especially as presented in his books Engines of Creation,^[1] a popular introduction to the core ideas, and Nanosystems,^[2] a comprehensive graduate-level survey of the field (itself based on his MIT doctoral thesis^[3][4]). More recently, Drexler's research has focused on AI risk, where he has developed an approach he calls Comprehensive AI Services.^[5] Drexler has also made original contributions to the Fermi paradox,^[6] space colonization,^[7] distributed computing,^[8] hypertext publishing,^[9] and other fields.^[10][11]