# List of members of the National Assembly (South Korea), 1958–1960

The members of the fourth National Assembly of South Korea were elected on 2 May 1958. The assembly sat from 31 May 1958 until 28 July 1960.

## Members elected in the 1958 election

| Province/city | Constituency | Member | Party |
| Seoul | Jongno A | Yun Po-sun | Democratic Party |
| Seoul | Jongno B | Han Geun-jo | Democratic Party |
| Seoul | Jung A | Ju Yo-han | Democratic Party |
| Seoul | Jung B | Jeong Il-hyeong | Democratic Party |
| Seoul | Dongdaemun A | Min Gwan-sik | Independent |
| Seoul | Dongdaemun B | Lee Yeong-jun | Democratic Party |
| Seoul | Seongdong A | Yu Seong-gwon | Democratic Party |
| Seoul | Seongdong B | Chough Pyung-ok | Democratic Party |
| Seoul | Seongbuk | Seo Beom-seok | Democratic Party |
| Seoul | Seodaemun A | Kim Do-yeon | Democratic Party |
| Seoul | Seodaemun B | Choi Gyu-nam | Liberal Party |
| Seoul | Mapo | Kim Sang-don | Democratic Party |
| Seoul | Yongsan A | Eom Sang-seop | Democratic Party |
| Seoul | Yongsan B | Kim Won-man | Democratic Party |
| Seoul | Yeongdeungpo A | Yun Myeong-un | Democratic Party |
| Seoul | Yeongdeungpo B | Ryu Hong | Democratic Party |
| Gyeonggi Province | Incheon A | Kim Jae-gon | Democratic Party |
| Gyeonggi Province | Incheon B | Kwak Sang-hoon | Democratic Party |
| Gyeonggi Province | Incheon C | Kim Hun | Democratic Party |
| Gyeonggi Province | Suwon | Hong Gil-seon | Democratic Party |
| Gyeonggi Province | Goyang | Lee Seong-ju | Liberal Party |
| Gyeonggi Province | Gwangju | Choi In-gyu | Liberal Party |
| Gyeonggi Province | Yangju A | Gang Yeong-hun | Democratic Party |
| Gyeonggi Province | Yangju B | Gang Seong-tae | Liberal Party |
| Gyeonggi Province | Pocheon | Yun Seong-sun | Liberal Party |
| Gyeonggi Province | Gapyeong | Hong Ik-pyo | Democratic Party |
| Gyeonggi Province | Yangpyeong | Yu Yong-sik | Liberal Party |
| Gyeonggi Province | Yeoju | Kim Ui-jun | Liberal Party |
| Gyeonggi Province | Icheon | Lee Ki-poong | Liberal Party |
| Gyeonggi Province | Yongin | Gu Cheol-hoe | Democratic Party |
| Gyeonggi Province | Anseong | O Jae-yeong | Liberal Party |
| Gyeonggi Province | Pyeongtaek | Jeong Jon-su | Liberal Party |
| Gyeonggi Province | Hwaseong A | Son Do-sim | Liberal Party |
| Gyeonggi Province | Hwaseong B | Hong Bong-jin | Democratic Party |
| Gyeonggi Province | Siheung | Lee Jae-hyeong | Liberal Party |
| Gyeonggi Province | Bucheon | Jang Gyeong-geun | Liberal Party |
| Gyeonggi Province | Gimpo | Jeong Jun | Independent |
| Gyeonggi Province | Ganghwa | Yun Jae-geun | Independent |
| Gyeonggi Province | Paju | Jeong Dae-cheon | Liberal Party |
| Gyeonggi Province | Yeoncheon | Lee Ik-heung | Liberal Party |
| Gyeonggi Province | Ongjin | Yu Yeong-jun | Liberal Party |
| Gangwon Province | Chuncheon | Gye Gwang-sun | Democratic Party |
| Gangwon Province | Wonju | Park Chung-mo | Democratic Party |
| Gangwon Province | Gangneung | Choi Yong-geun | Liberal Party |
| Gangwon Province | Chunseong | Im U-yeong | Liberal Party |
| Gangwon Province | Hongcheon | Lee Jae-hak | Liberal Party |
| Gangwon Province | Hoeseong | Jang Seok-yun | Liberal Party |
| Gangwon Province | Wonseong | Hong Beom-hui | Liberal Party |
| Gangwon Province | Yeongwol | Jeong Gyu-sang | Liberal Party |
| Gangwon Province | Pyeongchang | Hwang Ho-hyeon | Independent |
| Gangwon Province | Jeongseon | Yu Gi-su | Independent |
| Gangwon Province | Cheolwon | Seo Im-su | Independent |
| Gangwon Province | Gimhwa | Park Hyeon-suk | Liberal Party |
| Gangwon Province | Hwacheon | Park Deok-yeong | Liberal Party |
| Gangwon Province | Yanggu | Choi Gyu-ok | Liberal Party |
| Gangwon Province | Inje | Na Sang-geun | Liberal Party |
| Gangwon Province | Goseong | Hong Seung-eop | Liberal Party |
| Gangwon Province | Yangyang | Lee Dong-geun | Liberal Party |
| Gangwon Province | Myeongju | Park Yong-ik | Liberal Party |
| Gangwon Province | Samcheok | Kim Jin-man | Liberal Party |
| Gangwon Province | Uljin | Jeon Man-jung | Liberal Party |
| North Chungcheong Province | Cheongju | Lee Min-u | Democratic Party |
| North Chungcheong Province | Chungju | Hong Byeong-gak | Liberal Party |
| North Chungcheong Province | Cheongwon A | O Beom-su | Liberal Party |
| North Chungcheong Province | Cheongwon B | Gwak Ui-yeong | Liberal Party |
| North Chungcheong Province | Boeun | Kim Seon-u | Liberal Party |
| North Chungcheong Province | Okcheon | Gwon Bok-in | Liberal Party |
| North Chungcheong Province | Yeongdong | Min Jang-sik | Democratic Party |
| North Chungcheong Province | Jincheon | Jeong Un-gap | Liberal Party |
| North Chungcheong Province | Gwisan | Kim Won-tae | Liberal Party |
| North Chungcheong Province | Eumseong | Kim Ju-muk | Democratic Party |
| North Chungcheong Province | Chungwon | Jeong Sang-hui | Liberal Party |
| North Chungcheong Province | Jecheon | Lee Tae-yong | Democratic Party |
| North Chungcheong Province | Danyang | Jo Jong-ho | Independent |
| South Chungcheong Province | Daejeon A | Jeong Nak-hun | Liberal Party |
| South Chungcheong Province | Daejeon B | Jin Hyeong-ha | Democratic Party |
| South Chungcheong Province | Daedeok | Park Byeong-bae | Independent |
| South Chungcheong Province | Yeongi | Ryu Ji-won | Liberal Party |
| South Chungcheong Province | Gongju A | Park Chung-sik | Liberal Party |
| South Chungcheong Province | Gongju B | Kim Hak-jun | Democratic Party |
| South Chungcheong Province | Nonsan A | Kim Gong-pyeong | Liberal Party |
| South Chungcheong Province | Nonsan B | Yun Dam | Democratic Party |
| South Chungcheong Province | Buyeo A | Han Gwang-seok | Liberal Party |
| South Chungcheong Province | Buyeo B | Im Cheol-ho | Liberal Party |
| South Chungcheong Province | Seocheon | U Hui-chang | Democratic Party |
| South Chungcheong Province | Boryeong | Lee Won-jang | Liberal Party |
| South Chungcheong Province | Cheongyang | Kim Chang-dong | Liberal Party |
| South Chungcheong Province | Hongseong | Yu Seung-jun | Democratic Party |
| South Chungcheong Province | Yesan | Yun Byeong-gu | Liberal Party |
| South Chungcheong Province | Seosan A | Jeon Yeong-seok | Democratic Party |
| South Chungcheong Province | Seosan B | Ryu Sun-sik | Liberal Party |
| South Chungcheong Province | Dangjin A | In Tae-sik | Liberal Party |
| South Chungcheong Province | Dangjin B | Won Yong-seok | Liberal Party |
| South Chungcheong Province | Asan | Lee Min-u | Liberal Party |
| South Chungcheong Province | Cheonan A | Han Hui-seok | Liberal Party |
| South Chungcheong Province | Cheonan B | Kim Jong-cheol | Liberal Party |
| North Jeolla Province | Jeonju A | Ryu Cheong | Democratic Party |
| North Jeolla Province | Jeonju B | Yi Cheol-seung | Democratic Party |
| North Jeolla Province | Gunsan | Kim Won-jeon | Liberal Party |
| North Jeolla Province | Iri | Kim Won-jung | Liberal Party |
| North Jeolla Province | Wanju A | Lee Jon-hwa | Liberal Party |
| North Jeolla Province | Wanju B | Bae Seong-gi | Democratic Party |
| North Jeolla Province | Jinan | Lee Ok-dong | Independent |
| North Jeolla Province | Geumsan | Yu Chin-san | Democratic Party |
| North Jeolla Province | Muju | Kim Jin-won | Liberal Party |
| North Jeolla Province | Jangsu | Jeong Jun-mo | Liberal Party |
| North Jeolla Province | Imsil | Park Se-gyeong | Democratic Party |
| North Jeolla Province | Namwon A | Jo Jeong-hun | Democratic Party |
| North Jeolla Province | Namwon B | An Gyun-seop | Liberal Party |
| North Jeolla Province | Sunchang | Im Cha-ju | Liberal Party |
| North Jeolla Province | Jeongeup A | Na Yong-gyun | Democratic Party |
| North Jeolla Province | Jeongeup B | Song Yeong-ju | Democratic Party |
| North Jeolla Province | Gochang A | Jeong Se-hwan | Independent |
| North Jeolla Province | Gochang B | Hong Sun-hui | Democratic Party |
| North Jeolla Province | Buan | Sin Gyu-sik | Liberal Party |
| North Jeolla Province | Gimje A | Jo Han-baek | Democratic Party |
| North Jeolla Province | Gimje B | Yun Je-sul | Democratic Party |
| North Jeolla Province | Okgu | Yang Il-dong | Independent |
| North Jeolla Province | Iksan A | Kim Hyeong-seop | Liberal Party |
| North Jeolla Province | Iksan B | Yun Taek-jung | Democratic Party |
| South Jeolla Province | Gwangju A | Jeong Seong-tae | Democratic Party |
| South Jeolla Province | Gwangju B | Lee Pil-ho | Democratic Party |
| South Jeolla Province | Gwangju C | Park Heung-gyu | Liberal Party |
| South Jeolla Province | Mokpo | Jeong Jung-seop | Democratic Party |
| South Jeolla Province | Yeosu | Jeong Jae-wan | Democratic Party |
| South Jeolla Province | Suncheon | Yun Hyeong-nam | Democratic Party |
| South Jeolla Province | Gwangsan | Lee Jeong-hyu | Liberal Party |
| South Jeolla Province | Damyang | Guk Kwae-nam | Liberal Party |
| South Jeolla Province | Gokseong | Jo Sun | Liberal Party |
| South Jeolla Province | Gurye | Lee Gap-sik | Liberal Party |
| South Jeolla Province | Gwangyang | Hwang Suk-hyeon | Liberal Party |
| South Jeolla Province | Yeocheon | Lee Eun-tae | Liberal Party |
| South Jeolla Province | Seungju | Lee Hyeong-mo | Liberal Party |
| South Jeolla Province | Goheung A | Son Mun-gyeong | Liberal Party |
| South Jeolla Province | Goheung B | Park Cheol-ung | Liberal Party |
| South Jeolla Province | Boseong | An Yong-baek | Liberal Party |
| South Jeolla Province | Hwasun | Gu Heung-nam | Liberal Party |
| South Jeolla Province | Jangheung | Son Seok-du | Liberal Party |
| South Jeolla Province | Gangjin | Kim Hyang-su | Independent |
| South Jeolla Province | Haenam A | Kim Byeong-sun | Liberal Party |
| South Jeolla Province | Haenam B | Kim Seok-jin | Liberal Party |
| South Jeolla Province | Yeongam | Kim Chun-yon | Unification Party |
| South Jeolla Province | Muan A | Na Pan-su | Liberal Party |
| South Jeolla Province | Muan B | Yu Ok-u | Democratic Party |
| South Jeolla Province | Muan C | Kim Sak | Democratic Party |
| South Jeolla Province | Naju A | Lee Sa-hyeong | Independent |
| South Jeolla Province | Naju B | Jeong Myeong-seop | Liberal Party |
| South Jeolla Province | Hampyeong | Kim Ui-taek | Democratic Party |
| South Jeolla Province | Yeonggwang | Jo Yeong-gyu | Democratic Party |
| South Jeolla Province | Jangseong | Byeon Jin-gap | Liberal Party |
| South Jeolla Province | Wando | Kim Seon-tae | Democratic Party |
| South Jeolla Province | Jindo | Son Jae-hyeong | Independent |
| North Gyeongsang Province | Daegu A | Sin Do-hwan | Independent |
| North Gyeongsang Province | Daegu B | Lee Byeong-ha | Democratic Party |
| North Gyeongsang Province | Daegu C | Lee U-jul | Liberal Party |
| North Gyeongsang Province | Daegu D | Jo Jae-cheon | Democratic Party |
| North Gyeongsang Province | Daegu E | Jo Il-hwan | Democratic Party |
| North Gyeongsang Province | Daegu F | Lee Sun-hui | Liberal Party |
| North Gyeongsang Province | Pohang | Ha Tae-hwan | Liberal Party |
| North Gyeongsang Province | Gyeongju | An Yong-dae | Independent |
| North Gyeongsang Province | Gimcheon | Mun Jong-du | Independent |
| North Gyeongsang Province | Dalseong | Kim Seong-gon | Liberal Party |
| North Gyeongsang Province | Gunwi | Park Man-won | Liberal Party |
| North Gyeongsang Province | Uiseong A | Kim Gyu-man | Democratic Party |
| North Gyeongsang Province | Uiseong B | Park Yeong-gyo | Liberal Party |
| North Gyeongsang Province | Andong A | Gwon O-jong | Democratic Party |
| North Gyeongsang Province | Andong B | Kim Ik-gi | Liberal Party |
| North Gyeongsang Province | Cheongsong | Yun Yong-gu | Liberal Party |
| North Gyeongsang Province | Yeongyang | Park Jong-gil | Liberal Party |
| North Gyeongsang Province | Yeongdeok | Kim Won-gyu | Liberal Party |
| North Gyeongsang Province | Yeongil A | Park Sun-seok | Liberal Party |
| North Gyeongsang Province | Yeongil B | Kim Ik-no | Liberal Party |
| North Gyeongsang Province | Wolseong A | Lee Hyeop-u | Liberal Party |
| North Gyeongsang Province | Wolseong B | Lee Jong-jun | Liberal Party |
| North Gyeongsang Province | Yeongcheon A | Kim Sang-do | Liberal Party |
| North Gyeongsang Province | Yeongcheon B | Gwon Jung-don | Democratic Party |
| North Gyeongsang Province | Gyeongsan | Park Hae-jeong | Democratic Party |
| North Gyeongsang Province | Cheongdo | Ban Jae-hyeon | Independent |
| North Gyeongsang Province | Goryeong | Jeong Nam-taek | Liberal Party |
| North Gyeongsang Province | Seongju | Ju Byeong-hwan | Democratic Party |
| North Gyeongsang Province | Chilgok | Chang Taek-sang | Independent |
| North Gyeongsang Province | Geumneung | Kim Cheol-an | Liberal Party |
| North Gyeongsang Province | Seonsan | Kim U-dong | Liberal Party |
| North Gyeongsang Province | Sangju A | Jo Gwang-hui | Liberal Party |
| North Gyeongsang Province | Sangju B | Kim Jeong-geun | Independent |
| North Gyeongsang Province | Mungyeong | Lee Dong-nyeong | Liberal Party |
| North Gyeongsang Province | Yecheon | Jeong Jae-won | Liberal Party |
| North Gyeongsang Province | Yeongju | Lee Jeong-hui | Liberal Party |
| North Gyeongsang Province | Bonghwa | Jeong Mun-heum | Liberal Party |
| North Gyeongsang Province | Ulleung | Choi Byeong-gwon | Liberal Party |
| South Gyeongsang Province | Jung, Busan | Kim Eung-ju | Democratic Party |
| South Gyeongsang Province | Seo A, Busan | Lee Sang-yong | Liberal Party |
| South Gyeongsang Province | Seo B, Busan | Kim Dong-uk | Democratic Party |
| South Gyeongsang Province | Yeongdo A, Busan | Lee Yeong-eon | Democratic Party |
| South Gyeongsang Province | Yeongdo B, Busan | Lee Man-u | Democratic Party |
| South Gyeongsang Province | Dong A, Busan | Park Sun-cheon | Democratic Party |
| South Gyeongsang Province | Dong B, Busan | O Wi-yeong | Democratic Party |
| South Gyeongsang Province | Busanjin A, Busan | Lee Jong-nam | Democratic Party |
| South Gyeongsang Province | Busanjin B, Busan | Park Chan-hyeon | Democratic Party |
| South Gyeongsang Province | Dongnae, Busan | Kim In-ho | Liberal Party |
| South Gyeongsang Province | Masan | Heo Yun-su | Democratic Party |
| South Gyeongsang Province | Jinju | Kim Yong-jin | Democratic Party |
| South Gyeongsang Province | Chungmu | Choi Cheon | Democratic Party |
| South Gyeongsang Province | Jinhae | Ju Geum-yong | Independent |
| South Gyeongsang Province | Samcheonpo | Lee Jae-hyeon | Independent |
| South Gyeongsang Province | Jinyang | Gu Tae-hoe | Democratic Party |
| South Gyeongsang Province | Uiryeong | Lee Yeong-hui | Liberal Party |
| South Gyeongsang Province | Haman | Jo Gyeong-gyu | Liberal Party |
| South Gyeongsang Province | Changnyeong | Sin Yeong-ju | Independent |
| South Gyeongsang Province | Milyang A | Park Chang-hwa | Democratic Party |
| South Gyeongsang Province | Milyang B | Kim Jeong-hwan | Democratic Party |
| South Gyeongsang Province | Yangsan | Ji Yeong-jin | Liberal Party |
| South Gyeongsang Province | Ulsan A | An Deok-gi | Liberal Party |
| South Gyeongsang Province | Ulsan B | Kim Seong-tak | Liberal Party |
| South Gyeongsang Province | Dongnae | Jo Il-jae | Democratic Party |
| South Gyeongsang Province | Gimhae A | Gang Jong-mu | Liberal Party |
| South Gyeongsang Province | Gimhae B | Lee Jong-su | Liberal Party |
| South Gyeongsang Province | Cheongwon A | Kim Hyeong-don | Liberal Party |
| South Gyeongsang Province | Cheongwon B | Lee Yong-beom | Liberal Party |
| South Gyeongsang Province | Tongyeong | Seo Jeong-gwi | Democratic Party |
| South Gyeongsang Province | Geoje | Jin Seok-jung | Liberal Party |
| South Gyeongsang Province | Goseong | Choi Seok-rim | Independent |
| South Gyeongsang Province | Sacheon | Jeong Heon-ju | Democratic Party |
| South Gyeongsang Province | Namhae | Kim Jeong-gi | Liberal Party |
| South Gyeongsang Province | Hadong | Son Yeong-su | Liberal Party |
| South Gyeongsang Province | Sancheong | Kim Jae-wi | Liberal Party |
| South Gyeongsang Province | Hamyang | Park Sang-gil | Independent |
| South Gyeongsang Province | Geochang | Seo Han-du | Liberal Party |
| South Gyeongsang Province | Hapcheon A | Yu Bong-sun | Liberal Party |
| South Gyeongsang Province | Hapcheon B | Choi Chang-seop | Liberal Party |
| Jeju Province | Jeju | Go Dam-ryong | Democratic Party |
| Jeju Province | Bukjeju | Kim Du-jin | Liberal Party |
| Jeju Province | Namjeju | Hyeon O-bong | Independent |

## Changes in membership

| Date | Constituency | Incumbent | Party | New member | Party | Notes |
| 29 September 1958 | Daegu F, North Gyeongsang Province | Lee Sun-hui | Liberal | Choi Hui-song | Democratic | Incumbent's election invalidated on 20 September 1958 after a recount. Runner-up declared as the winner in the 1958 election. |
| 31 December 1958 | Daegu C, North Gyeongsang Province | Lee U-jul | Liberal | Im Mun-seok | Democratic | Incumbent's election invalidated on 24 December 1958 after a recount. Runner-up declared as the winner in the 1958 election. |
| 3 January 1959 | Seonsan, North Gyeongsang Province | Kim U-dong | Liberal | Kim Dong-seok | Independent | Incumbent's election invalidated on 3 January 1959 after a recount. Runner-up declared as the winner in the 1958 election. |
| 5 June 1959 | Inje, Gangwon Province | Na Sang-geun | Liberal | Jeon Hyeong-san | Liberal | Incumbent's election invalidated on 11 March 1959. New member by-elected. |
| 12 September 1959 | Boseong, South Jeolla Province | An Yong-baek | Liberal | Hwang Seong-su | Liberal | Incumbent's election invalidated on 24 June 1959. New member by-elected. |
| 23 January 1960 | Yeongil B, North Gyeongsang Province | Kim Ik-no | Liberal | Kim Jang-seop | Liberal | Incumbent's election invalidated on 4 November 1959. New member by-elected. |