Francisco Jémez Martín (born 18 April 1970), commonly known as Paco as a player, is a Spanish retired footballer who played as a central defender, and is the manager of Rayo Vallecano.
During 11 seasons, he played 269 La Liga matches in representation of three teams, mainly Deportivo and Zaragoza.
He appeared for Spain at Euro 2000.
Paco started working as a manager in 2007, going on to work with several clubs.