# List of members of the National Assembly (South Korea), 2012–2016

The 19th session of the National Assembly of South Korea first convened on 30 May 2012, and was seated until 29 May 2016. Its members were first elected in the 2012 legislative election held on 11 April 2012. It was preceded by the 18th National Assembly of South Korea and succeeded by the 20th National Assembly of South Korea.

## Composition

As of 20 May 2016, there are four political parties represented in the National Assembly.
| Party | Party | Seats | Seats | Seats | Percentage | Floor leader |
| Party | Party | Constituency | Proportional | Total | Percentage | Floor leader |
| | Saenuri Party | 118 | 27 | 145 | 48.3% | Won Yoo-chul |
| | Minjoo Party | 83 | 20 | 103 | 34.3% | Lee Jong-kul |
| | People's Party | 20 | 0 | 20 | 6.7% | Joo Seung-Yong |
| | Justice Party | 1 | 4 | 5 | 1.7% | Jeong Jin-hoo |
| | Minjoo Party | 1 | 0 | 1 | 0.3% | Shin Ki-nam |
| | Independent | 17 | 0 | 17 | 5.7% | |
| | Vacant | 6 | 3 | 9 | 3.0% | |
| Totals | Totals | 246 | 54 | 300 | 100.0% | |
| 145 | 103 | 20 | 5 | 1 | 17 | 8 |
| S | M | P | J | M | I | V |

## Members elected in the 2012 election

| Province/city | Constituency | Member | Party |
| Seoul | Jongno | Chung Sye-kyun | Democratic United Party |
| Seoul | Jung | Chyung Ho-joon | Democratic United Party |
| Seoul | Yongsan | Chin Young | Saenuri Party |
| Seoul | Seongdong A | Choi Jae-cheon | Democratic United Party |
| Seoul | Seongdong B | Hong Ihk-pyo | Democratic United Party |
| Seoul | Gwangjin A | Kim Han-gil | Democratic United Party |
| Seoul | Gwangjin B | Choo Mi-ae | Democratic United Party |
| Seoul | Dongdaemun A | Ahn Gyu-back | Democratic United Party |
| Seoul | Dongdaemun B | Min Byung-doo | Democratic United Party |
| Seoul | Jungnang A | Seo Young-kyo | Democratic United Party |
| Seoul | Jungnang B | Park Hong-keun | Democratic United Party |
| Seoul | Seongbuk A | You Seung-hee | Democratic United Party |
| Seoul | Seongbuk B | Shin Gye-ryoon | Democratic United Party |
| Seoul | Gangbuk A | Oh Young-sik | Democratic United Party |
| Seoul | Gangbuk B | You Dae-won | Democratic United Party |
| Seoul | Dobong A | In Jae-keun | Democratic United Party |
| Seoul | Dobong B | Yoo Ihn-tae | Democratic United Party |
| Seoul | Nowon A | Lee No-keun | Saenuri Party |
| Seoul | Nowon B | Woo Won-shik | Democratic United Party |
| Seoul | Nowon C | Roh Hoe-chan | Unified Progressive Party |
| Seoul | Eunpyeong A | Lee Mi-kyung | Democratic United Party |
| Seoul | Eunpyeong B | Lee Jae-oh | Saenuri Party |
| Seoul | Seodaemun A | Woo Sang-ho | Democratic United Party |
| Seoul | Seodaemun B | Chung Doo-un | Saenuri Party |
| Seoul | Mapo A | Noh Woong-rae | Democratic United Party |
| Seoul | Mapo B | Jung Cheong-rae | Democratic United Party |
| Seoul | Yangcheon A | Kil Jeong-woo | Saenuri Party |
| Seoul | Yangcheon B | Kim Yong-tae | Saenuri Party |
| Seoul | Gangseo A | Shin Ki-nam | Democratic United Party |
| Seoul | Gangseo B | Kim Sung-tae | Saenuri Party |
| Seoul | Guro A | Lee In-young | Democratic United Party |
| Seoul | Guro B | Park Young-sun | Democratic United Party |
| Seoul | Geumcheon | Rhee Mok-hee | Democratic United Party |
| Seoul | Yeongdeungpo A | Kim Young-joo | Democratic United Party |
| Seoul | Yeongdeungpo B | Shin Kyoung-min | Democratic United Party |
| Seoul | Dongjak A | Jun Byung-hun | Democratic United Party |
| Seoul | Dongjak B | Chung Mong-joon | Saenuri Party |
| Seoul | Gwanak A | Yoo Ki-hong | Democratic United Party |
| Seoul | Gwanak B | Lee Sang-kyu | Unified Progressive Party |
| Seoul | Seocho A | Kim Hoe-sun | Saenuri Party |
| Seoul | Seocho B | Kang Seog-hoon | Saenuri Party |
| Seoul | Gangnam A | Shim Yoon-joe | Saenuri Party |
| Seoul | Gangnam B | Kim Jong-hoon | Saenuri Party |
| Seoul | Songpa A | Park In-sook | Saenuri Party |
| Seoul | Songpa B | Yoo Il-ho | Saenuri Party |
| Seoul | Songpa C | Kim Eul-dong | Saenuri Party |
| Seoul | Gangdong A | Shin Dong-woo | Saenuri Party |
| Seoul | Gangdong B | Shim Jae-kwon | Democratic United Party |
| Busan | Jung–Dong | Chung Ui-hwa | Saenuri Party |
| Busan | Seo | Yoo Ki-June | Saenuri Party |
| Busan | Yeongdo | Lee Jae-kyun | Saenuri Party |
| Busan | Busanjin A | Na Seong-lin | Saenuri Party |
| Busan | Busanjin B | Lee Hun-seung | Saenuri Party |
| Busan | Dongnae | Lee Jin-bok | Saenuri Party |
| Busan | Nam A | Kim Jung-hoon | Saenuri Party |
| Busan | Nam B | Seo Yong-gyo | Saenuri Party |
| Busan | Buk–Gangseo A | Park Min-shik | Saenuri Party |
| Busan | Buk–Gangseo B | Kim Do-eup | Saenuri Party |
| Busan | Haeundae–Gijang A | Suh Byung-soo | Saenuri Party |
| Busan | Haeundae–Gijang B | Ha Tae-keung | Saenuri Party |
| Busan | Saha A | Moon Dae-sung | Saenuri Party |
| Busan | Saha B | Cho Kyoung-tae | Democratic United Party |
| Busan | Geumjeong | Kim Se-yeon | Saenuri Party |
| Busan | Yeonje | Kim Hee-jung | Saenuri Party |
| Busan | Suyeong | Yoo Jae-jung | Saenuri Party |
| Busan | Sasang | Moon Jae-in | Democratic United Party |
| Daegu | Jung–Nam | Kim Hee-kuk | Saenuri Party |
| Daegu | Dong A | Yoo Sung-kull | Saenuri Party |
| Daegu | Dong B | Yoo Seong-min | Saenuri Party |
| Daegu | Seo | Kim Sang-hoon | Saenuri Party |
| Daegu | Buk A | Kwon Eun-hee | Saenuri Party |
| Daegu | Buk B | Suh Sang-kee | Saenuri Party |
| Daegu | Suseong A | Lee Hahn-koo | Saenuri Party |
| Daegu | Suseong B | Joo Ho-young | Saenuri Party |
| Daegu | Dalseo A | Hong Ji-man | Saenuri Party |
| Daegu | Dalseo B | Yoon Jae-ok | Saenuri Party |
| Daegu | Dalseo C | Cho Won-jin | Saenuri Party |
| Daegu | Dalseong | Lee Jong-jin | Saenuri Party |
| Incheon | Jung–Dong–Ongjin | Park Sang-eun | Saenuri Party |
| Incheon | Nam A | Hong Il-pyo | Saenuri Party |
| Incheon | Nam B | Yoon Sang-hyun | Saenuri Party |
| Incheon | Yeonsu | Hwang Woo-yea | Saenuri Party |
| Incheon | Namdong A | Park Nam-choon | Democratic United Party |
| Incheon | Namdong B | Youn Kwan-suk | Democratic United Party |
| Incheon | Bupyeong A | Moon Byeong-ho | Democratic United Party |
| Incheon | Bupyeong B | Hong Young-pyo | Democratic United Party |
| Incheon | Gyeyang A | Shin Hak-yong | Democratic United Party |
| Incheon | Gyeyang B | Choi Won-sik | Democratic United Party |
| Incheon | Seo–Ganghwa A | Lee Hag-jae | Saenuri Party |
| Incheon | Seo–Ganghwa B | Ahn Deok-su | Saenuri Party |
| Gwangju | Dong | Park Joo-sun | Independent |
| Gwangju | Seo A | Park Hae-ja | Democratic United Party |
| Gwangju | Seo B | Oh Byung-yoon | Unified Progressive Party |
| Gwangju | Nam | Chang Byoung-wan | Democratic United Party |
| Gwangju | Buk A | Kang Gi-jung | Democratic United Party |
| Gwangju | Buk B | Lim Nae-hyun | Democratic United Party |
| Gwangju | Gwangsan A | Kim Dong-cheol | Democratic United Party |
| Gwangju | Gwangsan B | Lee Yong-sup | Democratic United Party |
| Daejeon | Dong | Lee Jang-woo | Saenuri Party |
| Daejeon | Jung | Kang Chang-hee | Saenuri Party |
| Daejeon | Seo A | Park Byeong-seug | Democratic United Party |
| Daejeon | Seo B | Park Beom-kye | Democratic United Party |
| Daejeon | Yuseong | Lee Sang-min | Democratic United Party |
| Daejeon | Daedeok | Park Seoung-hyo | Saenuri Party |
| Ulsan | Jung | Jeong Kab-yoon | Saenuri Party |
| Ulsan | Nam A | Lee Chae-ik | Saenuri Party |
| Ulsan | Nam B | Kim Gi-hyeon | Saenuri Party |
| Ulsan | Dong | Ahn Hyo-dae | Saenuri Party |
| Ulsan | Buk | Park Dae-dong | Saenuri Party |
| Ulsan | Ulju | Kang Ghil-boo | Saenuri Party |
| Sejong | Sejong | Lee Hae-chan | Democratic United Party |
| Gyeonggi Province | Suwon A | Lee Chan-yeol | Democratic United Party |
| Gyeonggi Province | Suwon B | Shin Jang-yong | Democratic United Party |
| Gyeonggi Province | Suwon C | Nam Kyung-pil | Saenuri Party |
| Gyeonggi Province | Suwon D | Kim Jin-pyo | Democratic United Party |
| Gyeonggi Province | Sujeong, Seongnam | Kim Tae-nyeon | Democratic United Party |
| Gyeonggi Province | Jungwon, Seongnam | Kim Mi-hyul | Unified Progressive Party |
| Gyeonggi Province | Bundang A, Seongnam | Rhee Chong-hoon | Saenuri Party |
| Gyeonggi Province | Bundang B, Seongnam | Jhun Ha-jin | Saenuri Party |
| Gyeonggi Province | Uijeongbu A | Moon Hee-sang | Democratic United Party |
| Gyeonggi Province | Uijeongbu B | Hong Moon-jong | Saenuri Party |
| Gyeonggi Province | Manan, Anyang | Lee Jong-kul | Democratic United Party |
| Gyeonggi Province | Dongan A, Anyang | Lee Seok-hyun | Democratic United Party |
| Gyeonggi Province | Dongan B, Anyang | Shim Jae-chul | Saenuri Party |
| Gyeonggi Province | Wonmi A, Bucheon | Kim Kyung-hyub | Democratic United Party |
| Gyeonggi Province | Wonmi B, Bucheon | Sul Hoon | Democratic United Party |
| Gyeonggi Province | Sosa, Bucheon | Kim Sang-hee | Democratic United Party |
| Gyeonggi Province | Ojeong, Bucheon | Won Hye-young | Democratic United Party |
| Gyeonggi Province | Gwangmyeong A | Baek Jae-hyun | Democratic United Party |
| Gyeonggi Province | Gwangmyeong B | Lee Un-ju | Democratic United Party |
| Gyeonggi Province | Pyeongtaek A | Won Yoo-chul | Saenuri Party |
| Gyeonggi Province | Pyeongtaek B | Lee Jae-young | Saenuri Party |
| Gyeonggi Province | Yangju–Dongducheon | Jung Sung-ho | Democratic United Party |
| Gyeonggi Province | Sangnok A, Ansan | Jeon Hae-cheol | Democratic United Party |
| Gyeonggi Province | Sangnok B, Ansan | Kim Young-hwan | Democratic United Party |
| Gyeonggi Province | Danwon A, Ansan | Kim Myung-yeon | Saenuri Party |
| Gyeonggi Province | Danwon B, Ansan | Boo Jwa-hyun | Democratic United Party |
| Gyeonggi Province | Deogyang A, Goyang | Sim Sang-jung | Unified Progressive Party |
| Gyeonggi Province | Deogyang B, Goyang | Kim Tae-won | Saenuri Party |
| Gyeonggi Province | Ilsandong, Goyang | Yoo Eun-hae | Democratic United Party |
| Gyeonggi Province | Ilsanseo, Goyang | Kim Hyun-mee | Democratic United Party |
| Gyeonggi Province | Uiwang–Gwacheon | Song Ho-chang | Democratic United Party |
| Gyeonggi Province | Guri | Yun Ho-jung | Democratic United Party |
| Gyeonggi Province | Namyangju A | Choi Jae-sung | Democratic United Party |
| Gyeonggi Province | Namyangju B | Park Ki-choon | Democratic United Party |
| Gyeonggi Province | Osan | An Min-suk | Democratic United Party |
| Gyeonggi Province | Hwaseong A | Ko Hee-sun | Saenuri Party |
| Gyeonggi Province | Hwaseong B | Lee Won-wook | Democratic United Party |
| Gyeonggi Province | Siheung A | Ham Jin-gyu | Saenuri Party |
| Gyeonggi Province | Siheung B | Cho Jeong-sik | Democratic United Party |
| Gyeonggi Province | Gunpo | Lee Hack-young | Democratic United Party |
| Gyeonggi Province | Hanam | Lee Hyun-jae | Saenuri Party |
| Gyeonggi Province | Paju A | Yoon Hu-duk | Democratic United Party |
| Gyeonggi Province | Paju B | Hwang Jin-ha | Saenuri Party |
| Gyeonggi Province | Yongin A | Lee Woo-hyun | Saenuri Party |
| Gyeonggi Province | Yongin B | Jung Sung-ho | Democratic United Party |
| Gyeonggi Province | Yongin C | Han Sun-kyo | Saenuri Party |
| Gyeonggi Province | Anseong | Kim Hack-yong | Saenuri Party |
| Gyeonggi Province | Gimpo | Yoo Jeong-bok | Saenuri Party |
| Gyeonggi Province | Gwangju | Roh Chul-rae | Saenuri Party |
| Gyeonggi Province | Pocheon–Yeoncheon | Kim Young-woo | Saenuri Party |
| Gyeonggi Province | Icheon | Yoo Seung-woo | Saenuri Party |
| Gyeonggi Province | Yeoju–Yangpyeong–Gapyeong | Choung Byoung-gug | Saenuri Party |
| Gangwon Province | Chuncheon | Kim Jin-tae | Saenuri Party |
| Gangwon Province | Wonju A | Kim Ki-sun | Saenuri Party |
| Gangwon Province | Wonju B | Lee Kang-hoo | Saenuri Party |
| Gangwon Province | Gangneung | Kweon Seong-dong | Saenuri Party |
| Gangwon Province | Donghae–Samcheok | Lee Lee-jae | Saenuri Party |
| Gangwon Province | Sokcho–Goseong–Yangyang | Chung Moon-hun | Saenuri Party |
| Gangwon Province | Hongcheon–Hoengseong | Hwang Young-cheul | Saenuri Party |
| Gangwon Province | Taebaek–Yeongwol–Pyeongchang–Jeongseon | Yeom Dong-yeol | Saenuri Party |
| Gangwon Province | Cheorwon–Hwacheon–Yanggu–Inje | Han Ki-ho | Saenuri Party |
| North Chungcheong Province | Sangdang, Cheongju | Chung Woo-taik | Saenuri Party |
| North Chungcheong Province | Heungdeok A, Cheongju | Oh Jae-sae | Democratic United Party |
| North Chungcheong Province | Heungdeok B, Cheongju | Noh Young-min | Democratic United Party |
| North Chungcheong Province | Cheongwon | Byun Jae-ill | Democratic United Party |
| North Chungcheong Province | Chungju | Yoon Jin-sik | Saenuri Party |
| North Chungcheong Province | Jecheon–Danyang | Song Kwang-ho | Saenuri Party |
| North Chungcheong Province | Boeun–Okcheon–Yeongdong | Park Duk-hyum | Saenuri Party |
| North Chungcheong Province | Jeungpyeong–Jincheon–Gwisan–Eumseong | Kyung Dae-soo | Saenuri Party |
| South Chungcheong Province | Cheonan A | Yang Seoung-jo | Democratic United Party |
| South Chungcheong Province | Cheonan B | Park Wan-ju | Democratic United Party |
| South Chungcheong Province | Gongju | Park Soo-hyun | Democratic United Party |
| South Chungcheong Province | Boryeong–Seocheon | Kim Tae-heum | Saenuri Party |
| South Chungcheong Province | Asan | Lee Myoung-su | Liberty Forward Party |
| South Chungcheong Province | Seosan–Taean | Sung Woan-jong | Liberty Forward Party |
| South Chungcheong Province | Nonsan–Gyeryong–Geumsan | Lee In-je | Liberty Forward Party |
| South Chungcheong Province | Buyeo–Cheongyang | Kim Geun-tae | Saenuri Party |
| South Chungcheong Province | Hongseong–Yesan | Hong Moon-pyo | Saenuri Party |
| South Chungcheong Province | Dangjin | Kim Dong-wan | Saenuri Party |
| North Jeolla Province | Wansan A, Jeonju | Kim Yun-duk | Democratic United Party |
| North Jeolla Province | Wansan B, Jeonju | Lee Sanng-jik | Democratic United Party |
| North Jeolla Province | Deokjin, Jeonju | Kim Sung-ju | Democratic United Party |
| North Jeolla Province | Gunsan | Kim Kwan-young | Democratic United Party |
| North Jeolla Province | Iksan A | Lee Choon-suak | Democratic United Party |
| North Jeolla Province | Iksan B | Jeon Jeong-hee | Democratic United Party |
| North Jeolla Province | Jeongeup | Yu Sung-yup | Independent |
| North Jeolla Province | Namwon–Sunchang | Kang Dong-won | Unified Progressive Party |
| North Jeolla Province | Gimje–Wanju | Choi Gyu-sung | Democratic United Party |
| North Jeolla Province | Jinan–Muju–Jangsu–Imsil | Park Min-soo | Democratic United Party |
| North Jeolla Province | Gochang–Buan | Kim Choon-jin | Democratic United Party |
| South Jeolla Province | Mokpo | Park Jie-won | Democratic United Party |
| South Jeolla Province | Yeosu A | Kim Sung-gon | Democratic United Party |
| South Jeolla Province | Yeosu B | Joo Seung-yong | Democratic United Party |
| South Jeolla Province | Suncheon–Gokseong | Kim Sun-dong | Unified Progressive Party |
| South Jeolla Province | Naju–Hwasun | Bae Ki-woon | Democratic United Party |
| South Jeolla Province | Gwangyang–Gurye | Woo Yoon-keun | Democratic United Party |
| South Jeolla Province | Damyang–Hwapyeong–Yeonggwang–Jangseong | Lee Nak-yon | Democratic United Party |
| South Jeolla Province | Goheung–Boseong | Kim Seung-nam | Democratic United Party |
| South Jeolla Province | Jangheung–Gangjin–Yeongam | Hwang Ju-hong | Democratic United Party |
| South Jeolla Province | Haenam–Wando–Jindo | Kim Yung-rok | Democratic United Party |
| South Jeolla Province | Muan–Sinan | Lee Yoon-seok | Democratic United Party |
| North Gyeongsang Province | Buk, Pohang | Lee Byung-suk | Saenuri Party |
| North Gyeongsang Province | Nam, Pohang–Ulleung | Kim Hyung-tae | Saenuri Party |
| North Gyeongsang Province | Gyeongju | Jung Soo-sung | Saenuri Party |
| North Gyeongsang Province | Gimcheon | Lee Cheol-woo | Saenuri Party |
| North Gyeongsang Province | Andong | Kim Gwang-lim | Saenuri Party |
| North Gyeongsang Province | Gumi A | Sim Hag-bong | Saenuri Party |
| North Gyeongsang Province | Gumi B | Kim Tae-whan | Saenuri Party |
| North Gyeongsang Province | Yeongju | Chang Yoon-seok | Saenuri Party |
| North Gyeongsang Province | Yeongcheon | Chung Hee-soo | Saenuri Party |
| North Gyeongsang Province | Sangju | Kim Jong-tae | Saenuri Party |
| North Gyeongsang Province | Mungyeong–Yecheon | Lee Han-sung | Saenuri Party |
| North Gyeongsang Province | Gyeongsan–Cheongdo | Choi Kyoung-hwan | Saenuri Party |
| North Gyeongsang Province | Goryeong–Seongju–Chilgok | Yi Wan-young | Saenuri Party |
| North Gyeongsang Province | Gunwi–Uiseong–Cheongsong | Kim Jae-won | Saenuri Party |
| North Gyeongsang Province | Yeongyang–Yeongdeok–Bonghwa–Uljin | Kang Seok-ho | Saenuri Party |
| South Gyeongsang Province | Uichang, Changwon | Park Seong-ho | Saenuri Party |
| South Gyeongsang Province | Seongsan, Changwon | Kang Gi-yun | Saenuri Party |
| South Gyeongsang Province | Masanhappo, Changwon | Lee Ju-young | Saenuri Party |
| South Gyeongsang Province | Masanhoewon, Changwon | Ahn Hong-joon | Saenuri Party |
| South Gyeongsang Province | Jinhae, Changwon | Kim Sung-chan | Saenuri Party |
| South Gyeongsang Province | Jinju A | Park Dae-chul | Saenuri Party |
| South Gyeongsang Province | Jinju B | Kim Jae-kyung | Saenuri Party |
| South Gyeongsang Province | Tongyeong–Goseong | Lee Koon-hyon | Saenuri Party |
| South Gyeongsang Province | Sacheon–Namhae–Hadong | Yeo Sang-kyoo | Saenuri Party |
| South Gyeongsang Province | Gimhae A | Min Hong-chul | Democratic United Party |
| South Gyeongsang Province | Gimhae B | Kim Tae-ho | Saenuri Party |
| South Gyeongsang Province | Miryang–Changnyeong | Cho Hae-jin | Saenuri Party |
| South Gyeongsang Province | Geoje | Kim Han-pyo | Independent |
| South Gyeongsang Province | Yangsan | Yoon Young-seok | Saenuri Party |
| South Gyeongsang Province | Uiryeong–Haman–Hapcheon | Cho Hyun-yong | Saenuri Party |
| South Gyeongsang Province | Sancheong–Hamyang–Geochang | Yeo Sang-kyoo | Saenuri Party |
| Jeju Province | Jeju City A | Kang Chang-il | Democratic United Party |
| Jeju Province | Jeju City B | Kim Woo-nam | Democratic United Party |
| Jeju Province | Seogwipo | Kim Jae-yun | Democratic United Party |
| National | Proportional representation | Min Byung-joo | Saenuri Party |
| National | Proportional representation | Kim Jung-rok | Saenuri Party |
| National | Proportional representation | Yoon Myung-hee | Saenuri Party |
| National | Proportional representation | Cho Myung-chul | Saenuri Party |
| National | Proportional representation | Kang Eun-hee | Saenuri Party |
| National | Proportional representation | Joo Young-soon | Saenuri Party |
| National | Proportional representation | Shin Yee-jin | Saenuri Party |
| National | Proportional representation | Lee Sang-il | Saenuri Party |
| National | Proportional representation | Lee Elisa | Saenuri Party |
| National | Proportional representation | Lee Man-woo | Saenuri Party |
| National | Proportional representation | Park Geun-hye | Saenuri Party |
| National | Proportional representation | An Chong-bum | Saenuri Party |
| National | Proportional representation | Kim Hyun-sook | Saenuri Party |
| National | Proportional representation | Kim Jang-shil | Saenuri Party |
| National | Proportional representation | Jasmine Bacurnay Lee | Saenuri Party |
| National | Proportional representation | Choi Bong-hong | Saenuri Party |
| National | Proportional representation | You Jee-young | Saenuri Party |
| National | Proportional representation | Song Young-keun | Saenuri Party |
| National | Proportional representation | Min Hyun-joo | Saenuri Party |
| National | Proportional representation | Park Chang-sik | Saenuri Party |
| National | Proportional representation | Shon In-chun | Saenuri Party |
| National | Proportional representation | Kim Sang-min | Saenuri Party |
| National | Proportional representation | Hyun Young-hee | Saenuri Party |
| National | Proportional representation | Lee Jae-young | Saenuri Party |
| National | Proportional representation | Shin Kyung-rim | Saenuri Party |
| National | Proportional representation | Chun Soon-ok | Democratic United Party |
| National | Proportional representation | Choi Dong-ic | Democratic United Party |
| National | Proportional representation | Eun Soo-mi | Democratic United Party |
| National | Proportional representation | Hong Jong-haak | Democratic United Party |
| National | Proportional representation | Jin Sun-mee | Democratic United Party |
| National | Proportional representation | Kim Yong-ik | Democratic United Party |
| National | Proportional representation | Bae Jae-jeung | Democratic United Party |
| National | Proportional representation | Baek Kun-ki | Democratic United Party |
| National | Proportional representation | Nam In-soon | Democratic United Party |
| National | Proportional representation | Kim Kwang-jin | Democratic United Party |
| National | Proportional representation | Han Jeoung-ae | Democratic United Party |
| National | Proportional representation | Kim Gi-juhn | Democratic United Party |
| National | Proportional representation | Chang Ha-na | Democratic United Party |
| National | Proportional representation | Kim Ki-sik | Democratic United Party |
| National | Proportional representation | Han Myeong-sook | Democratic United Party |
| National | Proportional representation | Do Jong-hwan | Democratic United Party |
| National | Proportional representation | Kim Hyun | Democratic United Party |
| National | Proportional representation | Jin Sung-joon | Democratic United Party |
| National | Proportional representation | Choi Min-hee | Democratic United Party |
| National | Proportional representation | Hong Eui-rak | Democratic United Party |
| National | Proportional representation | Lim Su-kyung | Democratic United Party |
| National | Proportional representation | Yoon Geum-soon | Unified Progressive Party |
| National | Proportional representation | Lee Seok-ki | Unified Progressive Party |
| National | Proportional representation | Kim Jae-yeon | Unified Progressive Party |
| National | Proportional representation | Jeong Jin-hoo | Unified Progressive Party |
| National | Proportional representation | Kim Je-nam | Unified Progressive Party |
| National | Proportional representation | Park Won-suk | Unified Progressive Party |
| National | Proportional representation | Moon Jung-rim | Liberty Forward Party |
| National | Proportional representation | Kim Young-ju | Liberty Forward Party |

## Changes since the 2012 election
### Changes in membership

| Date | Constituency | Incumbent | Party | New member | Party | Party | Notes |
| 9 July 2012 | Proportional representation | Yoon Geum-soon | Unified Progressive | Seo Gi-ho | | Unified Progressive | Incumbent resigned on 9 July 2012; replaced by the next member in the Unified Progressive list. |
| 10 December 2012 | Proportional representation | Park Geun-hye | Saenuri | Lee Un-ryong | | Saenuri | Incumbent resigned on 10 December 2012 to run in the 2012 South Korean presidential election; replaced by the next member in the Saenuri list. |
| 24 April 2013 | Nowon C, Seoul | Roh Hoe-chan | Progressive Justice | Ahn Cheol-soo | | Independent | Incumbent lost seat on 14 February 2013 for communications law violations. New member by-elected. |
| 24 April 2013 | Yeongdo, Busan | Lee Jae-kyun | Saenuri | Kim Moo-sung | | Saenuri | Incumbent lost seat on 14 February 2013 for election law violations. New member by-elected. |
| 24 April 2013 | Buyeo–Cheongyang, South Chungcheong Province | Kim Geun-tae | Saenuri | Lee Wan-koo | | Saenuri | Incumbent lost seat on 28 February 2013 for election law violations. New member by-elected. |
| 30 October 2013 | Hwaseong A, Gyeonggi Province | Ko Hee-sun | Saenuri | Suh Chung-won | | Saenuri | Incumbent died on 25 August 2013 due to lung cancer. New member by-elected. |
| 30 October 2013 | Nam, Pohang–Ulleung, North Gyeongsang Province | Kim Hyung-tae | Independent | Park Myung-jae | | Saenuri | Incumbent lost seat on 25 July 2013 for election law violations. New member by-elected. |
| 16 January 2014 | Proportional representation | Hyun Young-hee | Independent | Park Yoon-ok | | Saenuri | Incumbent's election invalidated on 16 January 2014; replaced by the next member in the Saenuri list. |
| 16 June 2014 | Proportional representation | An Chong-bum | Saenuri | Yang Chang-young | | Saenuri | Incumbent resigned on 16 June 2014 upon appointment as Senior Presidential Secretary for Economic Affairs; replaced by the next member in the Saenuri list. |
| 30 July 2014 | Dongjak B, Seoul | Chung Mong-joon | Saenuri | Na Kyung-won | | Saenuri | Incumbent resigned on 15 May 2014 to run in the 2014 Seoul mayoral election. New member by-elected. |
| 30 July 2014 | Haeundae–Gijang A, Busan | Suh Byung-soo | Saenuri | Bae Duk-kwang | | Saenuri | Incumbent resigned on 15 May 2014 to run in the 2014 Busan mayoral election. New member by-elected. |
| 30 July 2014 | Gwangsan B, Gwangju | Lee Yong-sup | Independent | Kwon Eun-hee | | NPAD | Incumbent resigned on 15 May 2014 to run in the 2014 Gwangju mayoral election. New member by-elected. |
| 30 July 2014 | Daedeok, Daejeon | Park Seoung-hyo | Saenuri | Jeong Yong-ki | | Saenuri | Incumbent resigned on 15 May 2014 to run in the 2014 Daeju mayoral election. New member by-elected. |
| 30 July 2014 | Nam B, Ulsan | Kim Gi-hyeon | Saenuri | Bak Maeng-woo | | Saenuri | Incumbent resigned on 15 May 2014 to run in the 2014 Ulsan mayoral election. New member by-elected. |
| 30 July 2014 | Suwon B, Gyeonggi Province | Shin Jang-yong | Democratic | Chung Mi-kyung | | Saenuri | Incumbent lost seat on 16 January 2014 for election law violations. New member by-elected. |
| 30 July 2014 | Suwon C, Gyeonggi Province | Nam Kyung-pil | Saenuri | Kim Yong-nam | | Saenuri | Incumbent resigned on 15 May 2014 to run in the 2014 Gyeonggi Province gubernatorial election. New member by-elected. |
| 30 July 2014 | Suwon D, Gyeonggi Province | Kim Jin-pyo | NPAD | Park Kwang-on | | NPAD | Incumbent resigned on 15 May 2014 to run in the 2014 Gyeonggi Province gubernatorial election. New member by-elected. |
| 30 July 2014 | Pyeongtaek B, Gyeonggi Province | Lee Jae-young | Saenuri | Yu Eui-dong | | Saenuri | Incumbent lost seat on 16 January 2014 for election law violations. New member by-elected. |
| 30 July 2014 | Gimpo, Gyeonggi Province | Yoo Jeong-bok | Saenuri | Hong Chul-ho | | Saenuri | Incumbent resigned on 15 May 2014 to run in the 2014 Incheon mayoral election. New member by-elected. |
| 30 July 2014 | Chungju, North Chungcheong Province | Yoon Jin-sik | Saenuri | Lee Jong-bae | | Saenuri | Incumbent resigned on 15 May 2014 to run in the 2014 North Chungcheong Province gubernatorial election. New member by-elected. |
| 30 July 2014 | Seosan–Taean, South Chungcheong Province | Sung Woan-jong | Saenuri | Kim Je-sik | | Saenuri | Incumbent lost seat on 26 June 2014 due to elections law violations. New member by-elected. |
| 30 July 2014 | Suncheon–Gokseong, South Jeolla Province | Kim Sun-dong | Unified Progressive | Lee Jung-hyun | | Saenuri | Incumbent lost seat on 12 June 2014 for releasing tear gas in the National Assembly chamber. New member by-elected. |
| 30 July 2014 | Naju–Hwasun, South Jeolla Province | Bae Ki-woon | NPAD | Shin Jeung-hoon | | NPAD | Incumbent lost seat on 12 June 2014 due to elections law violations. New member by-elected. |
| 30 July 2014 | Damyang–Hampyeong–Yeonggwang–Jangseong, South Jeolla Province | Lee Nak-yon | Democratic | Lee Kai-ho | | NPAD | Incumbent resigned on 12 March 2014 to run in the 2014 South Jeolla Province gubernatorial election. New member by-elected. |
| 19 December 2014 | Proportional representation | Lee Seok-ki | Unified Progressive | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent lost seat on 19 December 2014 after the Constitutional Court dissolved the Unified Progressive Party. |
| 19 December 2014 | Proportional representation | Kim Jae-yeon | Unified Progressive | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent lost seat on 19 December 2014 after the Constitutional Court dissolved the Unified Progressive Party. |
| 29 April 2015 | Gwanak B, Seoul | Lee Sang-kyu | Unified Progressive | Oh Shin-hwan | | Saenuri | Incumbent lost seat on 19 December 2014 after the Constitutional Court dissolved the Unified Progressive Party. New member by-elected. |
| 29 April 2015 | Seo–Ganghwa B, Incheon | Ahn Deok-su | Saenuri | Ahn Sang-soo | | Saenuri | Incumbent's election invalidated on 12 March 2015. New member by-elected. |
| 29 April 2015 | Seo B, Gwangju | Oh Byung-yoon | Unified Progressive | Chun Jung-bae | | Independent | Incumbent lost seat on 19 December 2014 after the Constitutional Court dissolved the Unified Progressive Party. New member by-elected. |
| 29 April 2015 | Jungwon, Seongnam, Gyeonggi Province | Kim Mi-hyul | Unified Progressive | Shin Sang-jin | | Saenuri | Incumbent lost seat on 19 December 2014 after the Constitutional Court dissolved the Unified Progressive Party. New member by-elected. |
| 4 August 2015 | Proportional representation | Kim Hyun-sook | Saenuri | Jang Jung-eun | | Saenuri | Incumbent resigned on 4 August 2015 following appointment as Senior Presidential Secretary for Employment and Wealth; replaced by the next member in the Saenuri list. |
| 20 August 2015 | Proportional representation | Han Myeong-sook | NPAD | Shin Moon-sik | | NPAD | Incumbent lost seat on 20 August 2015 due to bribery conviction; replaced by the next member in the NPAD list. |
| 12 October 2015 | Gumi A, North Gyeongsang Province | Sim Hag-bong | Independent | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent resigned on 12 October 2015 due to rape allegations. No by-election held. |
| 12 November 2015 | Jecheon–Danyang, North Chungcheong Province | Song Kwang-ho | Saenuri | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent lost seat on 12 November 2015 due to bribery conviction. No by-election held. |
| 12 November 2015 | Seogwipo, Jeju Province | Kim Jae-yun | NPAD | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent lost seat on 12 November 2015 due to bribery conviction. No by-election held. |
| 27 November 2015 | Uiryeong–Haman–Hapcheon, South Gyeongsang Province | Cho Hyun-yong | Saenuri | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent lost seat on 27 November 2015 due to bribery charges. No by-election held. |
| 24 December 2015 | Jung–Dong–Ongjin, Incheon | Park Sang-eun | Saenuri | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent lost seat on 24 December 2015 due to bribery conviction. No by-election held. |
| 18 May 2016 | Proportional representation | Hong Eui-rak | Democratic | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent left the Democratic Party on 18 May 2016. |
| 19 May 2016 | Seocho B, Seoul | Kang Seog-hoon | Saenuri | Seat remained vacant. | Seat remained vacant. | Seat remained vacant. | Incumbent resigned on 19 May 2016 following appointment as Senior Presidential Secretary for Economic Affairs. No by-election held. |
| 19 June 2016 | Proportional representation | Kang Eun-hee | Saenuri | Jung Youn-suk | | Saenuri | Incumbent resigned on 19 June 2016 following appointment as Minister of Gender Equality and Family; replaced by the next member in the Saenuri list. |

### Changes in party affiliation

| Date | Member | Constituency | Old party | New party | Notes |
| 18 April 2012 | Kim Hyung-tae | Nam, Pohang–Ulleung, North Gyeongsang Province | Saenuri | Independent | Left the Saenuri Party. |
| 20 April 2012 | Moon Dae-sung | Saha A, Busan | Saenuri | Independent | Left the Saenuri Party. |
| 29 May 2012 | 5 members | – | Liberty Forward | Advancement Unification | Liberty Forward Party renamed as the Advancement Unification Party. |
| 2 July 2012 | Kang Chang-hee | Jung, Daejeon | Saenuri | Independent | Became Speaker of the National Assembly. |
| 27 July 2012 | Yu Sung-yup | Jeongeup, North Jeolla Province | Independent | Democratic United | Rejoined the Democratic United Party. |
| 16 August 2012 | Hyun Young-hee | Proportional representation | Saenuri | Independent | Expelled from the Saenuri Party. |
| 30 August 2012 | Lee Myoung-su | Asan, South Chungcheong Province | Advancement Unification | Saenuri | Left the Advancement Unification Party to join the Saenuri Party. |
| 7 September 2012 | Jeong Jin-hoo | Proportional representation | Unified Progressive | Independent | Left the Unified Progressive Party. |
| 7 September 2012 | Kim Je-nam | Proportional representation | Unified Progressive | Independent | Left the Unified Progressive Party. |
| 7 September 2012 | Park Won-suk | Proportional representation | Unified Progressive | Independent | Left the Unified Progressive Party. |
| 7 September 2012 | Seo Gi-ho | Proportional representation | Unified Progressive | Independent | Left the Unified Progressive Party. |
| 13 September 2012 | Roh Hoe-chan | Nowon C, Seoul | Unified Progressive | Independent | Left the Unified Progressive Party. |
| 13 September 2012 | Sim Sang-jung | Deogyang A, Goyang, Gyeonggi Province | Unified Progressive | Independent | Left the Unified Progressive Party. |
| 13 September 2012 | Kang Dong-won | Namwon–Sunchang, North Jeolla Province | Unified Progressive | Independent | Left the Unified Progressive Party. |
| 9 October 2012 | Song Ho-chang | Uiwang–Gwacheon, Gyeonggi Province | Democratic United | Independent | Left the Democratic United Party. |
| 21 October 2012 | Jeong Jin-hoo | Proportional representation | Independent | Progressive Justice | Formed the Progressive Justice Party. |
| 21 October 2012 | Kim Je-nam | Proportional representation | Independent | Progressive Justice | Formed the Progressive Justice Party. |
| 21 October 2012 | Park Won-suk | Proportional representation | Independent | Progressive Justice | Formed the Progressive Justice Party. |
| 21 October 2012 | Seo Gi-ho | Proportional representation | Independent | Progressive Justice | Formed the Progressive Justice Party. |
| 21 October 2012 | Roh Hoe-chan | Nowon C, Seoul | Independent | Progressive Justice | Formed the Progressive Justice Party. |
| 21 October 2012 | Sim Sang-jung | Deogyang A, Goyang, Gyeonggi Province | Independent | Progressive Justice | Formed the Progressive Justice Party. |
| 21 October 2012 | Kang Dong-won | Namwon–Sunchang, North Jeolla Province | Independent | Progressive Justice | Formed the Progressive Justice Party. |
| 5 November 2012 | Kim Han-pyo | Geoje, South Gyeongsang Province | Independent | Saenuri | Joined the Saenuri Party. |
| 7 November 2012 | 4 members | – | Advancement Unification | Saenuri | Advancement Unification Party merged with the Saenuri Party. |
| 2 May 2013 | Kang Dong-won | Namwon–Sunchang, North Jeolla Province | Progressive Justice | Independent | Left the Progressive Justice Party. |
| 4 May 2013 | 127 members | – | Democratic United | Democratic | Democratic United Party renamed as the Democratic Party. |
| 21 July 2013 | 5 members | – | Progressive Justice | Justice | Progressive Justice Party renamed as the Justice Party. |
| 20 February 2014 | Moon Dae-sung | Saha A, Busan | Independent | Saenuri | Rejoined the Saenuri Party. |
| 26 March 2014 | 126 members | – | Democratic | NPAD | Democratic Party merged into the New Politics Alliance for Democracy. |
| 26 March 2014 | Ahn Cheol-soo | Nowon C, Seoul | Independent | NPAD | Joined the New Politics Alliance for Democracy. |
| 26 March 2014 | Park Joo-sun | Dong, Gwangju | Independent | NPAD | Joined the New Politics Alliance for Democracy. |
| 26 March 2014 | Song Ho-chang | Uiwang–Gwacheon, Gyeonggi Province | Independent | NPAD | Joined the New Politics Alliance for Democracy. |
| 26 March 2014 | Kang Dong-won | Namwon–Sunchang, North Jeolla Province | Independent | NPAD | Joined the New Politics Alliance for Democracy. |
| 2 May 2014 | Lee Yong-sup | Gwangsan B, Gwangju | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 29 May 2014 | Chung Ui-hwa | Jung–Dong, Busan | Saenuri | Independent | Became Speaker of the National Assembly. |
| 29 May 2014 | Kang Chang-hee | Jung, Daejeon | Independent | Saenuri | Rejoined the Saenuri Party after term as Speaker. |
| 18 June 2014 | Yoo Seung-woo | Icheon, Gyeonggi Province | Saenuri | Independent | Expelled from the Saenuri Party. |
| 3 August 2015 | Sim Hag-bong | Gumi A, North Gyeongsang Province | Saenuri | Independent | Left the Saenuri Party. |
| 10 August 2015 | Park Ki-choon | Namyangju B, Gyeonggi Province | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 23 September 2015 | Park Joo-sun | Dong, Gwangju | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 13 December 2015 | Ahn Cheol-soo | Nowon C, Seoul | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 15 December 2015 | Moon Byeong-ho | Bupyeong A, Incheon | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 15 December 2015 | Yu Sung-yup | Jeongeup, North Jeolla Province | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 17 December 2015 | Hwang Ju-hong | Jangheung–Gangjin–Yeongam, South Jeolla Province | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 20 December 2015 | Kim Dong-cheol | Gwangsan A, Gwangju | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 23 December 2015 | Lim Nae-hyun | Buk B, Gwangju | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 28 December 2015 | Choi Jae-cheon | Seongdong A, Seoul | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 28 December 2015 | Kwon Eun-hee | Gwangsan B, Gwangju | NPAD | Independent | Left the New Politics Alliance for Democracy. |
| 28 December 2015 | 119 members | – | NPAD | Democratic | New Politics Alliance for Democracy renamed as the Democratic Party. |
| 3 January 2016 | Kim Han-gil | Gwangjin A, Seoul | Democratic | Independent | Left the Democratic Party. |
| 8 January 2016 | Kim Young-hwan | Sangnok B, Ansan, Gyeonggi Province | Democratic | Independent | Left the Democratic Party. |
| 11 January 2016 | Kim Kwan-young | Gunsan, North Jeolla Province | Democratic | Independent | Left the Democratic Party. |
| 12 January 2016 | Choi Won-sik | Gyeyang B, Incheon | Democratic | Independent | Left the Democratic Party. |
| 13 January 2016 | Shin Hak-yong | Gyeyang A, Incheon | Democratic | Independent | Left the Democratic Party. |
| 13 January 2016 | Chang Byoung-wan | Nam, Gwangju | Democratic | Independent | Left the Democratic Party. |
| 14 January 2016 | Kim Seung-nam | Goheung–Boseong, South Jeolla Province | Democratic | Independent | Left the Democratic Party. |
| 19 January 2016 | Cho Kyoung-tae | Saha B, Busan | Democratic | Independent | Left the Democratic Party. |
| 21 January 2016 | Cho Kyoung-tae | Saha B, Busan | Independent | Saenuri | Joined the Saenuri Party. |
| 22 January 2016 | Park Jie-won | Mokpo, South Jeolla Province | Democratic | Independent | Left the Democratic Party. |
| 2 February 2016 | Kim Han-gil | Gwangjin A, Seoul | Independent | People | Formed the People Party. |
| 2 February 2016 | Ahn Cheol-soo | Nowon C, Seoul | Independent | People | Formed the People Party. |
| 2 February 2016 | Moon Byeong-ho | Bupyeong A, Incheon | Independent | People | Formed the People Party. |
| 2 February 2016 | Shin Hak-yong | Gyeyang A, Incheon | Independent | People | Formed the People Party. |
| 2 February 2016 | Choi Won-sik | Gyeyang B, Incheon | Independent | People | Formed the People Party. |
| 2 February 2016 | Park Joo-sun | Dong, Gwangju | Independent | People | Formed the People Party. |
| 2 February 2016 | Chun Jung-bae | Seo B, Gwangju | Independent | People | Formed the People Party. |
| 2 February 2016 | Chang Byoung-wan | Nam, Gwangju | Independent | People | Formed the People Party. |
| 2 February 2016 | Kim Dong-cheol | Gwangsan A, Gwangju | Independent | People | Formed the People Party. |
| 2 February 2016 | Lim Nae-hyun | Buk B, Gwangju | Independent | People | Formed the People Party. |
| 2 February 2016 | Kim Young-hwan | Sangnok B, Ansan, Gyeonggi Province | Independent | People | Formed the People Party. |
| 2 February 2016 | Kim Kwan-young | Gunsan, North Jeolla Province | Independent | People | Formed the People Party. |
| 2 February 2016 | Yu Sung-yup | Jeongeup, North Jeolla Province | Independent | People | Formed the People Party. |
| 2 February 2016 | Kim Seung-nam | Mokpo, South Jeolla Province | Independent | People | Formed the People Party. |
| 2 February 2016 | Joo Seung-yong | Goheung–Boseong, South Jeolla Province | Independent | People | Formed the People Party. |
| 2 February 2016 | Hwang Ju-hong | Jangheung–Gangjin–Yeongam, South Jeolla Province | Independent | People | Formed the People Party. |
| 14 February 2016 | Shin Ki-nam | Gangseo A, Seoul | Democratic | Independent | Left the Democratic Party. |
| 29 February 2016 | Jeon Jeong-hee | Iksan B, North Jeolla Province | Democratic | Independent | Left the Democratic Party. |
| 2 March 2016 | Jeon Jeong-hee | Iksan B, North Jeolla Province | Independent | People | Joined the People Party. |
| 4 March 2016 | Park Jie-won | Mokpo, South Jeolla Province | Independent | People | Joined the People Party. |
| 9 March 2016 | Kim Tae-hwan | Gumi B, North Gyeongsang Province | Saenuri | Independent | Left the Saenuri Party. |
| 14 March 2016 | Kang Dong-won | Namwon–Sunchang, North Jeolla Province | Democratic | Independent | Left the Democratic Party. |
| 15 March 2016 | Chyung Ho-joon | Jung, Seoul | Democratic | Independent | Left the Democratic Party. |
| 15 March 2016 | Lee Hae-chan | Sejong | Democratic | Independent | Left the Democratic Party. |
| 16 March 2016 | Chyung Ho-joon | Jung, Seoul | Independent | People | Joined the People Party. |
| 17 March 2016 | Chin Young | Yongsan, Seoul | Saenuri | Independent | Left the Saenuri Party. |
| 17 March 2016 | Shin Ki-nam | Gangseo A, Seoul | Independent | Minjoo | Joined the Minjoo Party. |
| 17 March 2016 | Boo Jwa-hyun | Danwon B, Ansan, Gyeonggi Province | Democratic | People | Left the Democratic Party to join the People Party. |
| 18 March 2016 | Ahn Sang-soo | Seo–Ganghwa B, Incheon | Saenuri | Independent | Left the Saenuri Party. |
| 18 March 2016 | Cho Hae-jin | Miryang–Changnyeong, South Gyeongsang Province | Saenuri | Independent | Left the Saenuri Party. |
| 20 March 2016 | Chin Young | Yongsan, Seoul | Independent | Democratic | Joined the Democratic Party. |
| 21 March 2016 | Kwon Eun-hee | Buk A, Daegu | Saenuri | Independent | Left the Saenuri Party. |
| 22 March 2016 | Yoon Sang-hyun | Nam B, Incheon | Saenuri | Independent | Left the Saenuri Party. |
| 22 March 2016 | Kang Ghil-boo | Ulju, Ulsan | Saenuri | Independent | Left the Saenuri Party. |
| 23 March 2016 | Lee Jae-oh | Eunpyeong B, Seoul | Saenuri | Independent | Left the Saenuri Party. |
| 23 March 2016 | Yoo Sung-kull | Dong A, Daegu | Saenuri | Independent | Left the Saenuri Party. |
| 23 March 2016 | Yoo Seong-min | Dong B, Daegu | Saenuri | Independent | Left the Saenuri Party. |
| 23 March 2016 | Joo Ho-young | Suseong B, Daegu | Saenuri | Independent | Left the Saenuri Party. |
| 25 March 2016 | Lee Yoon-seok | Muan–Sinan, South Jeolla Province | Democratic | Christian Liberal | Left the Democratic Party to join the Christian Liberal Party. |
| 28 March 2016 | Kim Seung-nam | Goheung–Boseong, South Jeolla Province | People | Independent | Left the People Party. |
| 31 March 2016 | Kim Seung-nam | Goheung–Boseong, South Jeolla Province | Independent | Democratic | Rejoined the Democratic Party. |
| 28 April 2016 | Lee Yoon-seok | Muan–Sinan, South Jeolla Province | Christian Liberal | Independent | Left the Christian Liberal Party. |