Claudinei is a given name. It may refer to:
Valinhos (footballer) (born 1947), José Claudinei Georgini, Brazilian football manager and former footballer Claudinei Oliveira (born 1969), Brazilian football manager and former goalkeeper Claudinei da Silva (born 1970), Brazilian sprinter Dinei (footballer, born 1970), Claudinei Alexandre Pires, Brazilian football striker Claudinei Resende (born 1978), Brazilian football midfielder Nei (footballer, born 1980), Claudinei Alexandre Aparecido, Brazilian football striker Nei (footballer, born 1985), Claudinei Cardoso Félix Silva, Brazilian football right-back Claudinei (footballer) (born 1988), Claudinei Junio de Souza, Brazilian football defensive midfielder