It's Italian, as he is half Italian, although I'm not sure what it stands for.
Paolo Gregoletto's birth name is Paolo Francesco Gregoletto.
Paolo Perin's birth name is Pier-Paolo Perin.
Paolo Nutini's birth name is Paolo Giovanni Nutini.
Lyn Paolo's birth name is Paolo, Lyn Elizabeth.
Paolo Contis's birth name is Paolo Enrico Contis.
Paolo Franchi's birth name is Paolo Franchi Gandolfi.
Paolo Bediones's birth name is Paolo Antonio Barba Bediones.
Paolo Dy's birth name is Paolo Crisostomo Arbiol Dy.
Francesco Paolo Tosti's birth name is Francesco Paolo Tosti.
Paolo Ballesteros's birth name is Paolo Elito M. Ballesteros IV.
Umberto Paolo Quintavalle's birth name is Uberto Paolo Quintavalle.
Vincent Di Paolo's birth name is Vincenzo Di Paolo.