Pierre Francis Koenig (October 17, 1925 – April 4, 2004) was an American architect and a Professor of Architecture at the University of Southern California.

[3] He received the USC Distinguished Alumni Award and the Gold Medal from the Los Angeles chapter of the American Institute of Architects.

[7][8] Particularly the Case Study House #22, photographed by Julius Shulman, is widely considered the iconic postwar L.A. home, with its sweeping city views and openness to the outdoors.

[9] At USC, Koenig led the undergraduate building science program and directed the Natural Forces Laboratory.

The Building Science group at USC also included Ralph Lewis Knowles, Douglas E. Noble, Marc Schiler, Karen M. Kensek, Goetz Schierle, David Brindle, and Konrad Wachsmann.