Nueva Ecija's 4th congressional district

Nueva Ecija's 4th congressional district is one of the four congressional districts of the Philippines in the province of Nueva Ecija. It has been represented in the House of Representatives since 1987. The district consists of the city of Gapan and adjacent municipalities in southern Nueva Ecija, namely Cabiao, General Tinio, Jaen, Peñaranda, San Antonio, San Isidro and San Leonardo. It is currently represented in the 18th Congress by Emerson D. Pascual of the Lakas–CMD.

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;" |

Nueva Ecija's 4th district for the House of Representatives of the Philippines

 * colspan="9" style="text-align:center;" | District created February 2, 1987.
 * style="text-align:center;" | 1
 * style="color:inherit;background:;" |
 * Nicanor G. de Guzman Jr.
 * June 30, 1987
 * August 7, 1990
 * style="text-align:center;" | 8th
 * Lakas ng Bansa
 * Elected in 1987. Resigned following conviction for gun smuggling.
 * rowspan="13" style="text-align:center;" | 1987–present Cabiao, Gapan, General Tinio, Jaen, Peñaranda, San Antonio, San Isidro, San Leonardo
 * style="text-align:center;" | 2
 * style="color:inherit;background:;" |
 * Victorio A. Lorenzo
 * June 30, 1992
 * June 30, 1995
 * style="text-align:center;" | 9th
 * Lakas
 * Elected in 1992.
 * rowspan="2" style="text-align:center;" | 3
 * style="color:inherit;background:;" |
 * rowspan="2" | Julita Lorenzo Villareal
 * rowspan="2" | June 30, 1995
 * rowspan="2" | June 30, 2001
 * style="text-align:center;" | 10th
 * LDP
 * Elected in 1995.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 11th
 * LAMMP
 * Re-elected in 1998.
 * style="text-align:center;" | 4
 * style="color:inherit;background:;" |
 * Raul L. Villareal
 * June 30, 2001
 * June 30, 2004
 * style="text-align:center;" | 12th
 * Lakas
 * Elected in 2001.
 * rowspan="3" style="text-align:center;" | 5
 * style="color:inherit;background:;" |
 * rowspan="3" | Rodolfo W. Antonino
 * rowspan="3" | June 30, 2004
 * rowspan="3" | June 30, 2013
 * style="text-align:center;" | 13th
 * KAMPI
 * Elected in 2004.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 14th
 * Lakas
 * Re-elected in 2007.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 15th
 * NUP
 * Re-elected in 2010.
 * rowspan="2" style="text-align:center;" | 6
 * rowspan="2" style="color:inherit;background:;" |
 * rowspan="2" | Magnolia Antonino Nadres
 * rowspan="2" | June 30, 2013
 * rowspan="2" | June 30, 2019
 * style="text-align:center;" | 16th
 * rowspan="2" | NUP
 * Elected in 2013.
 * style="text-align:center;" | 17th
 * Re-elected in 2016.
 * style="text-align:center;" rowspan="2" | 7
 * style="color:inherit;background:;" |
 * rowspan="2" | Maricel Natividad Nagaño
 * rowspan="2" | June 30, 2019
 * rowspan="2" | June 30, 2022
 * style="text-align:center;" rowspan="2" | 18th
 * PRP
 * rowspan="2" | Elected in 2019.
 * style="color:inherit;background:;" |
 * Unang Sigaw
 * style="text-align:center;" | 8
 * style="color:inherit;background:;" |
 * Emerson D. Pascual
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Lakas
 * Elected in 2022.
 * }
 * rowspan="2" | Elected in 2019.
 * style="color:inherit;background:;" |
 * Unang Sigaw
 * style="text-align:center;" | 8
 * style="color:inherit;background:;" |
 * Emerson D. Pascual
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Lakas
 * Elected in 2022.
 * }
 * Elected in 2022.
 * }