Calasiao is a 1st class town in the 3rd Congressional District of the province of Pangasinan, Philippines.

Government
Mayor: Hon. Roy Tuliao Macanlalay
Vice Mayor: Hon. Ferdinand Gregorio Galang

Population (2007): 85,419

Zip Code: 2418

Area Code: 075

Calasiao is politically subdivided into 24 barangays namely:

Ambonao
Ambuetel
Banaoang
Bued
Buenlag
Cabilocaan
Dinalaoan
Doyong
Gabon
Lasip
Longos
Lumbang
Macabito
Malabago
Mancup
Nagsaing
Nalsian
Poblacion East
Poblacion West
Quesban
San Miguel
San Vicente
Songkoy
Talibaew