Sidnei
Sidnei is a masculine given name of Portuguese origin. People with that name include:
- Sidnei (Cape Verdean footballer)
- Sidnei da Silva, Brazilian footballer
- Sidnei (footballer, born 1983), full name Sidnei Siqueira Lourenço, Brazilian football left-back
- Sidnei Sciola, Brazilian footballer
- Sidnei (footballer, born 1989), Sidnei Rechel da Silva Júnior, Brazilian football centre-back