Sidnei Sidnei (footballer, born 1989) Sidnei dal Rovere Sidnei (footballer, born 1983) Sidnei (Cape Verdean footballer) Sidnei Sciola Sidnei Tavares Sídnei Lobo Sidão (volleyball) Magal (footballer, born 1980) Sidney de Souza (athlete) Sydney Possuelo Sidney de Souza