Pierre-Auguste is a masculine given name. Notable people with the name include:
Pierre-Auguste Adet, French scientist, politician, and diplomat Pierre-Auguste Cot, French painter Pierre-Auguste Lafleur, Canadian politician Pierre-Auguste Lamy, French engraver, lithographer, and watercolor painter Pierre-Auguste Renoir (1841–1919), French Impressionist artist Pierre-Auguste Sarrus, French musician and inventor Pierre-Auguste Vafflard, French painter
See also François-Pierre-Auguste Léger, French playwright