Northern Samar's 1st congressional district

Northern Samar's 1st congressional district is a congressional district in the province of Northern Samar, Philippines. It has been represented in the House of Representatives since 1987. The district covers the province's western half which contains its capital, Catarman, the adjacent municipalities of Allen, Bobon, Lavezares, Lope de Vega, Mondragon, Rosario, San Isidro, San Jose and Victoria, and the San Bernardino Strait island municipalities of Biri, Capul, San Antonio and San Vicente. It is currently represented in the 19th Congress by Paul R. Daza of the National Unity Party (NUP).

Representation history
{| class=wikitable ! rowspan="2" | # ! rowspan="2" colspan=2 | Member ! colspan=2 | Term of office ! rowspan="2" | Congress ! rowspan="2" | Party ! rowspan="2" | Electoral history ! rowspan="2" | Constituent LGUs !Start!!End
 * colspan="9" style="text-align:center;" |
 * colspan="9" style="text-align:center;" |

Northern Samar's 1st district for the House of Representatives of the Philippines

 * colspan="9" style="text-align:center;" | District created February 2, 1987 from Northern Samar's at-large district.
 * rowspan="3" style="text-align:center;" | 1
 * rowspan="3" style="color:inherit;background:;" |
 * rowspan="3" | Raul Daza
 * rowspan="3" | June 30, 1987
 * rowspan="3" | June 30, 1998
 * style="text-align:center;" | 8th
 * rowspan="3" | Liberal
 * Elected in 1987.
 * rowspan=99 style="text-align:center;" | 1987–present Allen, Biri, Bobon, Capul, Catarman, Lavezares, Lope de Vega, Mondragon, Rosario, San Antonio, San Isidro, San Jose, San Vicente, Victoria
 * style="text-align:center;" | 9th
 * Re-elected in 1992.
 * style="text-align:center;" | 10th
 * Re-elected in 1995.
 * rowspan="3" style="text-align:center;" | 2
 * rowspan="3" style="color:inherit;background:;" |
 * rowspan="3" | Harlin C. Abayon
 * rowspan="3" | June 30, 1998
 * rowspan="3" | June 30, 2007
 * style="text-align:center;" | 11th
 * rowspan="3" | Liberal
 * Elected in 1998.
 * style="text-align:center;" | 12th
 * Re-elected in 2001.
 * style="text-align:center;" | 13th
 * Re-elected in 2004.
 * style="text-align:center;" | 3
 * style="color:inherit;background:;" |
 * Paul R. Daza
 * June 30, 2007
 * June 30, 2010
 * style="text-align:center;" | 14th
 * Liberal
 * Elected in 2007.
 * style="text-align:center;" | (1)
 * style="color:inherit;background:;" |
 * Raul Daza
 * June 30, 2010
 * June 30, 2013
 * style="text-align:center;" | 15th
 * Liberal
 * Elected in 2010.
 * style="text-align:center;" | (2)
 * style="color:inherit;background:;" |
 * Harlin C. Abayon
 * June 30, 2013
 * May 16, 2016
 * rowspan="2" style="text-align:center;" | 16th
 * Nacionalista
 * Elected in 2013. Removed from office after an electoral protest on claims of electoral fraud. Supreme Court reversed House electoral tribunal decision and reinstated Abayon but was not implemented by House.
 * rowspan="2" style="text-align:center;" | (1)
 * rowspan="2" style="color:inherit;background:;" |
 * rowspan="2" | Raul Daza
 * rowspan="2" | May 16, 2016
 * rowspan="2" | June 30, 2019
 * rowspan="2" | Liberal
 * Declared winner of 2013 elections by House electoral tribunal.
 * style="text-align:center;" | 17th
 * Re-elected in 2016.
 * rowspan="2" style="text-align:center;" | (3)
 * style="color:inherit;background:;" |
 * rowspan="2" | Paul R. Daza
 * rowspan="2" | June 30, 2019
 * rowspan="2" | Incumbent
 * style="text-align:center;" | 18th
 * Liberal
 * Elected in 2019.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 19th
 * NUP
 * Re-elected in 2022.
 * }
 * rowspan="2" style="text-align:center;" | (3)
 * style="color:inherit;background:;" |
 * rowspan="2" | Paul R. Daza
 * rowspan="2" | June 30, 2019
 * rowspan="2" | Incumbent
 * style="text-align:center;" | 18th
 * Liberal
 * Elected in 2019.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 19th
 * NUP
 * Re-elected in 2022.
 * }
 * }