Paul S. Devrouax (October 4, 1942 — March 22, 2010) was an American architect in Washington, D.C. He founded the architectural design firm of Devrouax+Purnell, and helped design the Verizon Center, Nationals Park, the Walter E. Washington Convention Center, and the D.C. headquarters of Freddie Mac and Pepco. He co-designed the African-American Civil War Memorial, and provided design adjustments to the Martin Luther King, Jr. Memorial.