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