Alfred Perot, French physicist and academic (d. 1925)

Jean-Baptiste Alfred Perot (French: [pəʁo]; 3 November 1863 – 28 November 1925) was a French physicist.

Together with his colleague Charles Fabry he developed the Fabry–Pérot interferometer in 1899.The French Academy of Sciences awarded him the Janssen Medal for 1912. The Royal Society awarded Fabry and Perot the Rumford medal in 1918.