Elections were held in the Ilocos Region for seats in the House of Representatives of the Philippines on May 13, 2013.
The candidate with the most votes won that district's seat for the 16th Congress of the Philippines.
| Party | width=80px | Popular vote ! | width=50px | % ! | width=60px | Swing ! | width=40px | Seats won ! | width=45px | Change | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | |||||||||||
| 2 | |||||||||||
| 2 | |||||||||||
| 1 | |||||||||||
| 1 | |||||||||||
| 0 | |||||||||||
| 0 | |||||||||||
| 0 | |||||||||||
| align=left colspan=2 | Valid votes | 12 | |||||||||
| align=left colspan=2 | Invalid votes | ||||||||||
| align=left colspan=2 | Turnout | ||||||||||
| align=left colspan=2 | Registered voters | ||||||||||
Incumbent Rodolfo Fariñas is running unopposed.
Imelda Marcos is the incumbent.
Incumbent Ryan Singson is not running; instead, he is for the governorship of Ilocos Sur. His brother, former Representative Ronald Singson who had resigned in 2011 due to a personal scandal, is his party's nominee.
Eric Singson is the incumbent.
Victor Francisco Ortega is the incumbent.
Eufranio Eriguel is the incumbent.
Jesus Celeste is the incumbent.
Leopoldo Bataoil is the incumbent.
Incumbent Maria Rachel Arenas was running unopposed but backed out; her mother, Rose Marie Arenas is her substitute.[1]
Gina de Venecia is the incumbent.
Carmen Cojuangco is the incumbent.
Incumbent Marilyn Primcias-Agabas is running unopposed after her sole opponent, Brigido Gallano (independent), withdrew.