Warren Powers Laird FAIA (August 8, 1861 – February 18, 1948) was an American architect from Minnesota.
He then practiced for six years in architectural offices in Minnesota, Boston, and New York City, then studied in Paris.
He was on the national advisory council of Lingnan University in Canton, China, and was a trustee there for seventeen years.
He served on the architectural jury of the art competitions at the 1932 Summer Olympics.
They had two children: Mary Hall and Helen Powers, the latter not surviving to adulthood.