Chaillou

Chaillou is a French surname. Notable people with the surname include:

• Antoine-Jean Amelot de Chaillou (1732–1795), French politician
• Auguste Chaillou (1866–1915), French biologist and physician
• Jean-Jacques Amelot de Chaillou (1689–1749), French politician
• Narcisse Chaillou (1835–1916), French painter
• Timothée Chaillou, French art curator and critic