| # |
Image |
Member |
Term of office |
Legislature |
Party |
Electoral history |
Constituent LGUs |
| Start | End |
|
|
| District created January 9, 1907.[5][6] |
| 1 |
|
 |
Leopoldo Rovira |
October 16, 1907 |
October 16, 1909 |
1st |
Progresista |
Elected in 1907. |
1907–1909 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Tanjay, Tayasan |
| 2 |
|
 |
Hermenegildo Villanueva |
October 16, 1909 |
October 16, 1916 |
2nd |
Progresista |
Elected in 1909. |
1909–1912 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Manjuyod, Tanjay, Tayasan |
| 3rd |
Re-elected in 1912. |
1912–1916 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Jimalalud, Manjuyod, Sibulan, Tanjay, Tayasan |
Negros Oriental's 1st district for the House of Representatives of the Philippine Islands |
| 3 |
|
 |
Restituto Villegas |
October 16, 1916 |
June 6, 1922 |
4th |
Progresista |
Elected in 1916. |
1916–1919 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Jimalalud, Manjuyod, Sibulan, Tanjay, Tayasan, Vallehermoso |
| 5th |
Re-elected in 1919. |
1919–1935 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Jimalalud, La Libertad, Manjuyod, Sibulan, Tanjay, Tayasan, Vallehermoso |
| 4 |
|
 |
Guillermo Z. Villanueva |
June 6, 1922 |
September 16, 1935 |
6th |
Nacionalista Colectivista |
Elected in 1922. |
|
7th |
Nacionalista Consolidado |
Re-elected in 1925. |
| 8th |
Re-elected in 1928. |
| 9th |
Re-elected in 1931. |
|
10th |
Nacionalista Democrático |
Re-elected in 1934. |
| # |
Image |
Member |
Term of office |
National Assembly |
Party |
Electoral history |
Constituent LGUs |
| Start | End |
|
|
| (4) |
|
 |
Guillermo Z. Villanueva |
September 16, 1935 |
December 30, 1941 |
1st |
Nacionalista Democrático |
Re-elected in 1935. |
1935–1941 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Jimalalud, La Libertad, Manjuyod, Sibulan, Tanjay, Tayasan, Vallehermoso |
|
2nd |
Nacionalista |
Re-elected in 1938. |
| District dissolved into the two-seat Negros Oriental's at-large district for the National Assembly (Second Philippine Republic). |
| # |
Image |
Member |
Term of office |
Common wealth Congress |
Party |
Electoral history |
Constituent LGUs |
| Start | End |
Negros Oriental's 1st district for the House of Representatives of the Commonwealth of the Philippines |
| District re-created May 24, 1945. |
| 5 |
|
 |
Julián L. Teves |
June 11, 1945 |
May 25, 1946 |
1st |
Nacionalista |
Elected in 1941. |
1945–1946 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Jimalalud, La Libertad, Manjuyod, Sibulan, Tanjay, Tayasan, Vallehermoso |
| # |
Image |
Member |
Term of office |
Congress |
Party |
Electoral history |
Constituent LGUs |
| Start | End |
|
|
| 6 |
|
 |
Lorenzo Teves |
May 25, 1946 |
December 30, 1949 |
1st |
Nacionalista |
Elected in 1946. |
1946–1949 Ayuquitan Nuevo, Bais, Dumaguete, Guihulngan, Jimalalud, La Libertad, Manjuyod, Sibulan, Tanjay, Tayasan, Vallehermoso |
| 7 |
|
 |
Pedro A. Bandoquillo |
December 30, 1949 |
November 13, 1951 |
2nd |
Liberal |
Elected in 1949. Resigned on election as Negros Oriental governor. |
1949–1953 Ayuquitan Nuevo, Bais, Canlaon, Dumaguete, Guihulngan, Jimalalud, La Libertad, Manjuyod, Payabon, Sibulan, Tanjay, Tayasan, Vallehermoso |
| (6) |
|
 |
Lorenzo Teves |
December 30, 1953 |
November 14, 1967 |
3rd |
Nacionalista |
Elected in 1953. |
1953–1957 Amlan, Bais, Canlaon, Dumaguete, Guihulngan, Jimalalud, La Libertad, Manjuyod, Payabon, Sibulan, Tanjay, Tayasan, Vallehermoso |
| 4th |
Re-elected in 1957. |
1957–1961 Amlan, Bais, Canlaon, Dumaguete, Guihulngan, Jimalalud, La Libertad, Manjuyod, Payabon, San Jose, Sibulan, Tanjay, Tayasan, Vallehermoso |
| 5th |
Elected in 1961. |
1961–1972 Amlan, Bais, Bindoy, Canlaon, Dumaguete, Guihulngan, Jimalalud, La Libertad, Mabinay Manjuyod, Pamplona, San Jose, Sibulan, Tanjay, Tayasan, Vallehermoso |
| 6th |
Re-elected in 1965. Resigned on election as senator. |
| 8 |
|
 |
Herminio Teves |
December 30, 1969 |
September 23, 1972 |
7th |
Liberal |
Elected in 1969. Removed from office after imposition of martial law. |
| District dissolved into the thirteen-seat Region VII's at-large district for the Interim Batasang Pambansa, followed by the three-seat Negros Oriental's at-large district for the Regular Batasang Pambansa. |
| District re-created February 2, 1987. |
| 9 |
|
|
Jerome V. Paras |
June 30, 1987 |
June 30, 1998 |
8th |
Lakas ng Bansa |
Elected in 1987. |
1987–present Ayungon, Bindoy, Canlaon, Guihulngan, Jimalalud, La Libertad, Manjuyod, Tayasan, Vallehermoso |
|
9th |
Lakas |
Re-elected in 1992. |
| 10th |
Re-elected in 1995. |
| 10 |
|
 |
Jacinto Paras |
June 30, 1998 |
June 30, 2007 |
11th |
LAMMP |
Elected in 1998. |
|
12th |
LDP |
Re-elected in 2001. |
| 13th |
Re-elected in 2004. |
| 11 |
|
 |
Jocelyn Sy-Limkaichong |
June 30, 2007 |
June 30, 2013 |
14th |
Liberal |
Elected in 2007. |
| 15th |
Re-elected in 2010. |
| 12 |
|
 |
Manuel M. Iway |
June 30, 2013 |
June 30, 2016 |
16th |
Liberal |
Elected in 2013. |
| (11) |
|
 |
Jocelyn Sy-Limkaichong |
June 30, 2016 |
June 30, 2025 |
17th |
Liberal |
Elected in 2016. |
| 18th |
Re-elected in 2019. |
| 19th |
Re-elected in 2022. |
| (12) |
|
 |
Emmanuel L. Iway |
June 30, 2025 |
Incumbent |
20th |
PFP |
Elected in 2025. |