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
This page or section lists people that share the same given name.
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