The 2022 Philippine House of Representatives elections in Calabarzon was held on May 9, 2022.
Incumbent Eileen Ermita-Buhain of the Nacionalista Party was term-limited.
The Nacionalista Party nominated Ermita-Buhain's husband, former Bureau of Immigration executive director Eric Buhain, who won the election against his sister-in-law Lisa Ermita (Nationalist People's Coalition) and two other candidates.
Incumbent Raneo Abu of the Nacionalista Party was term-limited.
The Nacionalista Party nominated Abu's daughter, Reina Abu, who was defeated by Mabini administrator Gerville Luistro of the Nationalist People's Coalition. Former Presidential Anti-Graft Commission commissioner Nick Conti (PDPâÂÂLaban) also ran for representative.
Incumbent Maria Theresa Collantes of the Nationalist People's Coalition ran for a third term. She was previously affiliated with PDPâÂÂLaban.
Collantes won re-election against Tanauan mayor Mary Angeline Halili (Pederalismo ng Dugong Dakilang Samahan), Talisay mayor Gerry Natanauan (Independent) and Nestor Burgos (Independent).
Incumbent Lianda Bolilia of the Nacionalista Party ran for a third term.
Bolilia won re-election against former Taysan mayor Dondon Portugal (Nationalist People's Coalition).
Incumbent Marvey Mariño of the Nacionalista Party ran for a third term.
Mariño won re-election against Calito Bisa (Ang Kapatiran).
Incumbent Vilma Santos of the Nacionalista Party was retiring.
The Nacionalista Party nominated Santos' husband, Senator Ralph Recto, who won the election unopposed.
Term-limited incumbent Francis Gerald Abaya of the Liberal Party ran for mayor of Kawit.
The Liberal Party nominated Abaya's brother, former Kawit vice mayor Paul Abaya, who was defeated by Cavite vice governor Jolo Revilla of LakasâÂÂCMD.
Incumbent Strike Revilla of the Nacionalista Party ran for mayor of Bacoor. He was previously affiliated with the National Unity Party.
Revilla endorsed his sister-in-law, Bacoor mayor Lani Mercado, who won the election against two other candidates.
Term-limited incumbent Alex Advincula of the National Unity Party (NUP) ran for mayor of Imus. He was previously affiliated with PDPâÂÂLaban.
The NUP nominated Advincula's son, Imus councilor AJ Advincula, who won the election unopposed.
Incumbent Elpidio Barzaga Jr. of the National Unity Party ran for a second term.
Barzaga won re-election against Osmond Calupad (Independent).
Incumbent Dahlia Loyola of the Nationalist People's Coalition (NPC) ran for mayor of Carmona.
The NPC nominated Loyola's husband, Carmona mayor Roy Loyola, who won the election against Rhenan de Castro (Partido Federal ng Pilipinas).
Term-limited incumbent Luis Ferrer IV of the National Unity Party (NUP) ran for mayor of General Trias.
The NUP nominated Ferrer's brother, General Trias mayor Antonio Ferrer, who won the election unopposed.
Incumbent Jesus Crispin Remulla of the National Unity Party won re-election for a second term unopposed. He was previously affiliated with the Nacionalista Party.
Term-limited incumbent Abraham Tolentino of the National Unity Party (NUP) ran for mayor of Tagaytay. He was previously affiliated with PDPâÂÂLaban.
The NUP initially nominated Tolentino's wife, Tagaytay mayor Agnes Tolentino. However, Agnes later ran for vice mayor of Tagaytay and was substituted by her daughter, Aniela Tolentino, who won the election against Allan Par (Independent).
As a result of Laguna's redistricting in 2019, the city of Santa Rosa was separated from Laguna's 1st district to create its own district.
Incumbent Dan Fernandez of the National Unity Party ran for a second term in Santa Rosa's lone district. He was previously affiliated with PDPâÂÂLaban.
Provincial board member Ann Matibag (PDPâÂÂLaban) won the election against former provincial board member Dave Almarinez (Nacionalista Party) and four other candidates.
Incumbent Ruth Hernandez of PDPâÂÂLaban ran for a second term. She was previously an independent.
Hernandez won re-election against former Philippine Amusement and Gaming Corporation chairperson Efraim Genuino (Bigkis Pinoy).
Term-limited incumbent Sol Aragones of the Nacionalista Party ran for governor of Laguna.
Aragones endorsed provincial board member Angelica Jones of PROMDI, who was defeated by San Pablo mayor Amben Amante of PDPâÂÂLaban. Two other candidates also ran for representative.
Term-limited incumbent Benjamin Agarao Jr. of PDPâÂÂLaban ran for mayor of Santa Cruz.
PDPâÂÂLaban nominated Agarao's daughter, provincial board member Jam Agarao, who won the election against former Santa Maria mayor Tony Carolino (Aksyon Demokratiko).
On January 23, 2025, the House of Representatives Electoral Tribunal upheld Jam Agarao's election after a recount.
Incumbent Len Alonte of PDPâÂÂLaban ran for a third term.
Alonte won re-election against Mike Yatco (Partido Federal ng Pilipinas).
Incumbent Jun Chipeco of the Nacionalista Party was term-limited.
The Nacionalista Party nominated Calamba mayor Timmy Chipeco, who was defeated by city councilor Cha Hernandez of PDPâÂÂLaban. Emer Panganiban (Independent) also ran for representative.
As a result of Laguna's redistricting in 2019, a district was created for the city of Santa Rosa, which used to be under Laguna's 1st district.
Danilo Fernandez of the National Unity Party, incumbent representative of Laguna's 1st district, won re-election for a second term against former city councilor Boy Factoriza (Kilusang Bagong Lipunan).
Incumbent Mark Enverga of the Nationalist People's Coalition ran for a second term.
Enverga won re-election against four other candidates.
Incumbent David Suarez of the Nacionalista Party ran for a second term.
Suarez won re-election against former representative Proceso Alcala (Nationalist People's Coalition) and three other candidates.
Incumbent Aleta Suarez of LakasâÂÂCMD ran for a second term.
Suarez was defeated by provincial board member Reynante Arrogancia (Partido para sa Demokratikong Reporma). Two other candidates also ran for representative.
Term-limited incumbent Angelina Tan of the Nationalist People's Coalition (NPC) ran for governor of Quezon.
The NPC nominated Tan's son, Keith Micah Tan, who won the election against five other candidates.
Incumbent Jack Duavit of the Nationalist People's Coalition won re-election for a third term unopposed.
As a result of Rizal's redistricting in 2021, the municipalities of Rodriguez and San Mateo were separated from the 2nd district to create their own districts.
Incumbent Fidel Nograles of LakasâÂÂCMD ran for a second term in Rizal's 4th district. He was previously affiliated with PDPâÂÂLaban.
Provincial board member Dino Tanjuatco of the Liberal Party won the election against Omar Fajardo (PDPâÂÂLaban).
As a result of Rizal's redistricting in 2021, the district was created with the municipality of San Mateo, which used to be under Rizal's 2nd district.
Former Metropolitan Manila Development Authority general manager Jose Arturo Garcia Jr. won the election against two other candidates.
As a result of Rizal's redistricting in 2021, the district was created with the municipality of Rodriguez, which used to be under Rizal's 2nd district.
Fidel Nograles of LakasâÂÂCMD, incumbent representative of Rizal's 2nd district, won re-election for a second term against former Rizal's 2nd district representative Isidro Rodriguez Jr. (Nationalist People's Coalition) and Bonna Aquino (Partido Federal ng Pilipinas).
Incumbent Roberto Puno of the National Unity Party ran for a second term.
Puno won re-election against two other candidates.
The seat is vacant after Resurreccion Acop of the National Unity Party (NUP) died on May 28, 2021.
The NUP nominated Acop's widower, former representative Romeo Acop, who won the election unopposed.