Vallo (also as Vallø) may refer to:
People Given name Vallo Allingu, Estonian basketball player Vallo Kirs, Estonian actor Vallo Reimaa, Estonian politician
Surname Ambra Vallo, Italian ballet dancer James Vallo, American actor and film producer
Places Italy Vallo della Lucania, a municipality in the Province of Salerno, Campania Vallo di Diano, a geographical region of the Province of Salerno, Campania Vallo di Nera, a municipality in the Province of Perugia, Umbria Vallo Torinese, a municipality in the Province of Turin, Piedmont Mazara del Vallo, a municipality in the Province of Trapani, Sicily Pago del Vallo di Lauro, a municipality in the Province of Avellino, Campania San Lorenzo del Vallo, a municipality in the Province of Cosenza, Calabria
Denmark Vallø, a former municipality of Region Sjælland
Norway Vallø (Tønsberg), a village part of the municipality of Tønsberg, Vestfold county
See also Vallum (disambiguation) Valo (disambiguation)