List of Famous people with last name Beauregard

Pierre Gustave Toutant-Beauregard was a Confederate general officer who started the American Civil War by leading the attack on Fort Sumter on April 12, 1861. Today, he is commonly referred to as P. G. T. Beauregard, but he rarely used his first name as an adult. He signed correspondence as G. T. Beauregard.

Charles-Albert-Marie Costa, Marquis de Beauregard was a French historian and politician. He also fought in the Franco-Prussian War. His works include a trilogy on Charles Albert of Sardinia.

Georges de Beauregard was a French film producer who produced works by many of the French New Wave directors. In 1968, he was a member of the jury at the 18th Berlin International Film Festival. In 1983 he was awarded a Special César Award, the French national film prize.

Olivier Costa de Beauregard was a French relativistic and quantum physicist, and philosopher of science. He was an eminent specialist of time and of information theory. He studied under Louis de Broglie.