Guillaume Plessis (born 16 January 1985 in Saint-Denis, Réunion) is a footballer currently playing for the Greek side Lefkadia. He is also the older brother of current midfielder Damien Plessis.Plessis started his career with RC Lens before moving to English team Everton. He failed to get his chance with the Toffees and was released. He has also played for Clermont Foot and FC Martigues.