Sidão

Sidão or Sidao is a given name and nickname. Notable people with the name include:


 * Sidão (volleyball), the nickname of Sidnei dos Santos Júnior, Brazilian volleyball player
 * Sidão (footballer), the nickname of Sidney Aparecido Ramos da Silva, Brazilian footballer
 * Jia Sidao (1213–1275), chancellor during the late Song dynasty of China
 * Lu Sidao (531–582), Chinese poet of the Sui dynasty