The legislative districts of Northern Samar are the representations of the province of Northern Samar in the various national legislatures of the Philippines. The province is currently represented in the lower house of the Congress of the Philippines through its first and second congressional districts.
Northern Samar was represented as part of the first district of Samar until 1967, and of Region VIII from 1978 to 1984. From 1984 to 1986 it elected two assemblymen at-large. In 1986 it was redistricted into two legislative districts.
Allen, Biri, Bobon, Capul, Catarman, Lavezares, Lope de Vega, Mondragon, Rosario, San Antonio, San Isidro, San Jose, San Vicente, Victoria
| Period | Representative |
|---|---|
| 8th Congress 1987 - 1992 | Raul A. Daza |
| 9th Congress 1992 - 1995 | |
| 10th Congress 1995 - 1998 | |
| 11th Congress 1998 - 2001 | Harlin C. Abayon |
| 12th Congress 2001 - 2004 | |
| 13th Congress 2004 - 2007 | |
| 14th Congress 2007 - 2010 | Paul R. Daza |
| 15th Congress 2010 - 2013 | Raul A. Daza |
| 16th Congress 2013 - 2016 | Harlin C. Abayon |
| Raul A. Daza | |
| 17th Congress 2016 - 2019 | |
| 18th Congress 2019 - 2022 | Paul R. Daza |
| 19th Congress 2022 - 2025 |
Catubig, Gamay, Laoang, Lapinig, Las Navas, Mapanas, Palapag, Pambujan, San Roque, Silvino Lobos
| Period | Representative | |
|---|---|---|
| 8th Congress 1987 - 1992 | Jose L. Ong, Jr. | |
| 9th Congress 1992 - 1995 | Wilmar P. Lucero | |
| 10th Congress 1995 - 1998 | ||
| 11th Congress 1998 - 2001 | Romualdo T. Vicencio | |
| 12th Congress 2001 - 2004 | ||
| 13th Congress 2004 - 2007 | ||
| vacant | ||
| 14th Congress 2007 - 2010 | Emil L. Ong | |
| 15th Congress 2010 - 2013 | ||
| 16th Congress 2013 - 2016 | ||
| 17th Congress 2016 - 2019 | Edwin C. Ongchuan | |
| 18th Congress 2019 - 2022 | Jose L. Ong, Jr. | |
| 19th Congress 2022 - 2025 | Harris Christopher M. Ongchuan |
| Period | Representative | |
|---|---|---|
| 6th Congress 1965 - 1969 | see 1st District of Samar | |
| Eusebio Moore | ||
| 7th Congress 1969 - 1972 | Raul A. Daza |